257930244

素因数分解:

$2^2\times 3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1$

素因数の和:352

約数の個数: 240

約数和(自身を含む): 836700480

約数和(自身を除く): 578770236

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 19, 22, 26, 27, 33, 36, 38, 39, 44, 52, 54, 57, 66, 76, 78, 81, 99, 108, 114, 117, 132, 143, 156, 162, 171, 198, 209, 228, 234, 247, 286, 293, 297, 324, 342, 351, 396, 418, 429, 468, 494, 513, 572, 586, 594, 627, 684, 702, 741, 836, 858, 879, 891, 988, 1026, 1053, 1172, 1188, 1254, 1287, 1404, 1482, 1539, 1716, 1758, 1782, 1881, 2052, 2106, 2223, 2508, 2574, 2637, 2717, 2964, 3078, 3223, 3516, 3564, 3762, 3809, 3861, 4212, 4446, 5148, 5274, 5434, 5567, 5643, 6156, 6446, 6669, 7524, 7618, 7722, 7911, 8151, 8892, 9669, 10548, 10868, 11134, 11286, 11427, 11583, 12892, 13338, 15236, 15444, 15822, 16302, 16701, 16929, 19338, 20007, 22268, 22572, 22854, 23166, 23733, 24453, 26676, 29007, 31644, 32604, 33402, 33858, 34281, 38676, 40014, 41899, 45708, 46332, 47466, 48906, 50103, 58014, 61237, 66804, 67716, 68562, 72371, 73359, 80028, 83798, 87021, 94932, 97812, 100206, 102843, 116028, 122474, 125697, 137124, 144742, 146718, 150309, 167596, 174042, 183711, 200412, 205686, 217113, 220077, 244948, 251394, 261063, 289484, 293436, 300618, 308529, 348084, 367422, 377091, 411372, 434226, 440154, 450927, 502788, 522126, 551133, 601236, 617058, 651339, 734844, 754182, 796081, 868452, 880308, 901854, 1044252, 1102266, 1131273, 1234116, 1302678, 1508364, 1592162, 1653399, 1803708, 1954017, 2204532, 2262546, 2388243, 2605356, 3184324, 3306798, 3393819, 3908034, 4525092, 4776486, 4960197, 5862051, 6613596, 6787638, 7164729, 7816068, 9552972, 9920394, 11724102, 13575276, 14329458, 19840788, 21494187, 23448204, 28658916, 42988374, 64482561, 85976748, 128965122, 257930244]

約数ペア:

[(1, 257930244), (2, 128965122), (3, 85976748), (4, 64482561), (6, 42988374), (9, 28658916), (11, 23448204), (12, 21494187), (13, 19840788), (18, 14329458), (19, 13575276), (22, 11724102), (26, 9920394), (27, 9552972), (33, 7816068), (36, 7164729), (38, 6787638), (39, 6613596), (44, 5862051), (52, 4960197), (54, 4776486), (57, 4525092), (66, 3908034), (76, 3393819), (78, 3306798), (81, 3184324), (99, 2605356), (108, 2388243), (114, 2262546), (117, 2204532), (132, 1954017), (143, 1803708), (156, 1653399), (162, 1592162), (171, 1508364), (198, 1302678), (209, 1234116), (228, 1131273), (234, 1102266), (247, 1044252), (286, 901854), (293, 880308), (297, 868452), (324, 796081), (342, 754182), (351, 734844), (396, 651339), (418, 617058), (429, 601236), (468, 551133), (494, 522126), (513, 502788), (572, 450927), (586, 440154), (594, 434226), (627, 411372), (684, 377091), (702, 367422), (741, 348084), (836, 308529), (858, 300618), (879, 293436), (891, 289484), (988, 261063), (1026, 251394), (1053, 244948), (1172, 220077), (1188, 217113), (1254, 205686), (1287, 200412), (1404, 183711), (1482, 174042), (1539, 167596), (1716, 150309), (1758, 146718), (1782, 144742), (1881, 137124), (2052, 125697), (2106, 122474), (2223, 116028), (2508, 102843), (2574, 100206), (2637, 97812), (2717, 94932), (2964, 87021), (3078, 83798), (3223, 80028), (3516, 73359), (3564, 72371), (3762, 68562), (3809, 67716), (3861, 66804), (4212, 61237), (4446, 58014), (5148, 50103), (5274, 48906), (5434, 47466), (5567, 46332), (5643, 45708), (6156, 41899), (6446, 40014), (6669, 38676), (7524, 34281), (7618, 33858), (7722, 33402), (7911, 32604), (8151, 31644), (8892, 29007), (9669, 26676), (10548, 24453), (10868, 23733), (11134, 23166), (11286, 22854), (11427, 22572), (11583, 22268), (12892, 20007), (13338, 19338), (15236, 16929), (15444, 16701), (15822, 16302)]