209156220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^2$

素因数の和:261

約数の個数: 216

約数和(自身を含む): 787821216

約数和(自身を除く): 578664996

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 113, 117, 126, 130, 140, 156, 180, 182, 195, 210, 226, 234, 252, 260, 273, 315, 339, 364, 390, 420, 452, 455, 468, 546, 565, 585, 630, 678, 780, 791, 819, 910, 1017, 1092, 1130, 1170, 1260, 1356, 1365, 1469, 1582, 1638, 1695, 1820, 2034, 2260, 2340, 2373, 2730, 2938, 3164, 3276, 3390, 3955, 4068, 4095, 4407, 4746, 5085, 5460, 5876, 6780, 7119, 7345, 7910, 8190, 8814, 9492, 10170, 10283, 11865, 12769, 13221, 14238, 14690, 15820, 16380, 17628, 20340, 20566, 22035, 23730, 25538, 26442, 28476, 29380, 30849, 35595, 38307, 41132, 44070, 47460, 51076, 51415, 52884, 61698, 63845, 66105, 71190, 76614, 88140, 89383, 92547, 102830, 114921, 123396, 127690, 132210, 142380, 153228, 154245, 165997, 178766, 185094, 191535, 205660, 229842, 255380, 264420, 268149, 308490, 331994, 357532, 370188, 383070, 446915, 459684, 462735, 497991, 536298, 574605, 616980, 663988, 766140, 804447, 829985, 893830, 925470, 995982, 1072596, 1149210, 1161979, 1340745, 1493973, 1608894, 1659970, 1787660, 1850940, 1991964, 2298420, 2323958, 2489955, 2681490, 2987946, 3217788, 3319940, 3485937, 4022235, 4647916, 4979910, 5362980, 5809895, 5975892, 6971874, 7469865, 8044470, 9959820, 10457811, 11619790, 13943748, 14939730, 16088940, 17429685, 20915622, 23239580, 29879460, 34859370, 41831244, 52289055, 69718740, 104578110, 209156220]

約数ペア:

[(1, 209156220), (2, 104578110), (3, 69718740), (4, 52289055), (5, 41831244), (6, 34859370), (7, 29879460), (9, 23239580), (10, 20915622), (12, 17429685), (13, 16088940), (14, 14939730), (15, 13943748), (18, 11619790), (20, 10457811), (21, 9959820), (26, 8044470), (28, 7469865), (30, 6971874), (35, 5975892), (36, 5809895), (39, 5362980), (42, 4979910), (45, 4647916), (52, 4022235), (60, 3485937), (63, 3319940), (65, 3217788), (70, 2987946), (78, 2681490), (84, 2489955), (90, 2323958), (91, 2298420), (105, 1991964), (113, 1850940), (117, 1787660), (126, 1659970), (130, 1608894), (140, 1493973), (156, 1340745), (180, 1161979), (182, 1149210), (195, 1072596), (210, 995982), (226, 925470), (234, 893830), (252, 829985), (260, 804447), (273, 766140), (315, 663988), (339, 616980), (364, 574605), (390, 536298), (420, 497991), (452, 462735), (455, 459684), (468, 446915), (546, 383070), (565, 370188), (585, 357532), (630, 331994), (678, 308490), (780, 268149), (791, 264420), (819, 255380), (910, 229842), (1017, 205660), (1092, 191535), (1130, 185094), (1170, 178766), (1260, 165997), (1356, 154245), (1365, 153228), (1469, 142380), (1582, 132210), (1638, 127690), (1695, 123396), (1820, 114921), (2034, 102830), (2260, 92547), (2340, 89383), (2373, 88140), (2730, 76614), (2938, 71190), (3164, 66105), (3276, 63845), (3390, 61698), (3955, 52884), (4068, 51415), (4095, 51076), (4407, 47460), (4746, 44070), (5085, 41132), (5460, 38307), (5876, 35595), (6780, 30849), (7119, 29380), (7345, 28476), (7910, 26442), (8190, 25538), (8814, 23730), (9492, 22035), (10170, 20566), (10283, 20340), (11865, 17628), (12769, 16380), (13221, 15820), (14238, 14690)]