221329290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:317

約数の個数: 256

約数和(自身を含む): 731566080

約数和(自身を除く): 510236790

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 17, 19, 21, 26, 30, 34, 35, 38, 39, 42, 51, 57, 65, 70, 78, 85, 91, 95, 102, 105, 114, 119, 130, 133, 170, 182, 190, 195, 210, 221, 238, 247, 251, 255, 266, 273, 285, 323, 357, 390, 399, 442, 455, 494, 502, 510, 546, 570, 595, 646, 663, 665, 714, 741, 753, 798, 910, 969, 1105, 1190, 1235, 1255, 1326, 1330, 1365, 1482, 1506, 1547, 1615, 1729, 1757, 1785, 1938, 1995, 2210, 2261, 2470, 2510, 2730, 3094, 3230, 3263, 3315, 3458, 3514, 3570, 3705, 3765, 3990, 4199, 4267, 4522, 4641, 4769, 4845, 5187, 5271, 6526, 6630, 6783, 7410, 7530, 7735, 8398, 8534, 8645, 8785, 9282, 9538, 9690, 9789, 10374, 10542, 11305, 12597, 12801, 13566, 14307, 15470, 16315, 17290, 17570, 19578, 20995, 21335, 22610, 22841, 23205, 23845, 25194, 25602, 25935, 26355, 28614, 29393, 29869, 32630, 33383, 33915, 41990, 42670, 45682, 46410, 47690, 48945, 51870, 52710, 55471, 58786, 59738, 61997, 62985, 64005, 66766, 67830, 68523, 71535, 81073, 88179, 89607, 97890, 100149, 110942, 114205, 123994, 125970, 128010, 137046, 143070, 146965, 149345, 162146, 166413, 166915, 176358, 179214, 185991, 200298, 228410, 243219, 277355, 293930, 298690, 309985, 332826, 333830, 342615, 371982, 388297, 405365, 433979, 440895, 448035, 486438, 500745, 554710, 567511, 619970, 685230, 776594, 810730, 832065, 867958, 881790, 896070, 929955, 1001490, 1053949, 1135022, 1164891, 1216095, 1301937, 1664130, 1702533, 1859910, 1941485, 2107898, 2169895, 2329782, 2432190, 2603874, 2837555, 3161847, 3405066, 3882970, 4339790, 5269745, 5675110, 5824455, 6323694, 6509685, 7377643, 8512665, 10539490, 11648910, 13019370, 14755286, 15809235, 17025330, 22132929, 31618470, 36888215, 44265858, 73776430, 110664645, 221329290]

約数ペア:

[(1, 221329290), (2, 110664645), (3, 73776430), (5, 44265858), (6, 36888215), (7, 31618470), (10, 22132929), (13, 17025330), (14, 15809235), (15, 14755286), (17, 13019370), (19, 11648910), (21, 10539490), (26, 8512665), (30, 7377643), (34, 6509685), (35, 6323694), (38, 5824455), (39, 5675110), (42, 5269745), (51, 4339790), (57, 3882970), (65, 3405066), (70, 3161847), (78, 2837555), (85, 2603874), (91, 2432190), (95, 2329782), (102, 2169895), (105, 2107898), (114, 1941485), (119, 1859910), (130, 1702533), (133, 1664130), (170, 1301937), (182, 1216095), (190, 1164891), (195, 1135022), (210, 1053949), (221, 1001490), (238, 929955), (247, 896070), (251, 881790), (255, 867958), (266, 832065), (273, 810730), (285, 776594), (323, 685230), (357, 619970), (390, 567511), (399, 554710), (442, 500745), (455, 486438), (494, 448035), (502, 440895), (510, 433979), (546, 405365), (570, 388297), (595, 371982), (646, 342615), (663, 333830), (665, 332826), (714, 309985), (741, 298690), (753, 293930), (798, 277355), (910, 243219), (969, 228410), (1105, 200298), (1190, 185991), (1235, 179214), (1255, 176358), (1326, 166915), (1330, 166413), (1365, 162146), (1482, 149345), (1506, 146965), (1547, 143070), (1615, 137046), (1729, 128010), (1757, 125970), (1785, 123994), (1938, 114205), (1995, 110942), (2210, 100149), (2261, 97890), (2470, 89607), (2510, 88179), (2730, 81073), (3094, 71535), (3230, 68523), (3263, 67830), (3315, 66766), (3458, 64005), (3514, 62985), (3570, 61997), (3705, 59738), (3765, 58786), (3990, 55471), (4199, 52710), (4267, 51870), (4522, 48945), (4641, 47690), (4769, 46410), (4845, 45682), (5187, 42670), (5271, 41990), (6526, 33915), (6630, 33383), (6783, 32630), (7410, 29869), (7530, 29393), (7735, 28614), (8398, 26355), (8534, 25935), (8645, 25602), (8785, 25194), (9282, 23845), (9538, 23205), (9690, 22841), (9789, 22610), (10374, 21335), (10542, 20995), (11305, 19578), (12597, 17570), (12801, 17290), (13566, 16315), (14307, 15470)]