665472380

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:343

約数の個数: 96

約数和(自身を含む): 1481496576

約数和(自身を除く): 816024196

約数列:

[1, 2, 4, 5, 10, 20, 37, 73, 74, 97, 127, 146, 148, 185, 194, 254, 292, 365, 370, 388, 485, 508, 635, 730, 740, 970, 1270, 1460, 1940, 2540, 2701, 3589, 4699, 5402, 7081, 7178, 9271, 9398, 10804, 12319, 13505, 14162, 14356, 17945, 18542, 18796, 23495, 24638, 27010, 28324, 35405, 35890, 37084, 46355, 46990, 49276, 54020, 61595, 70810, 71780, 92710, 93980, 123190, 141620, 185420, 246380, 261997, 343027, 455803, 523994, 686054, 899287, 911606, 1047988, 1309985, 1372108, 1715135, 1798574, 1823212, 2279015, 2619970, 3430270, 3597148, 4496435, 4558030, 5239940, 6860540, 8992870, 9116060, 17985740, 33273619, 66547238, 133094476, 166368095, 332736190, 665472380]

約数ペア:

[(1, 665472380), (2, 332736190), (4, 166368095), (5, 133094476), (10, 66547238), (20, 33273619), (37, 17985740), (73, 9116060), (74, 8992870), (97, 6860540), (127, 5239940), (146, 4558030), (148, 4496435), (185, 3597148), (194, 3430270), (254, 2619970), (292, 2279015), (365, 1823212), (370, 1798574), (388, 1715135), (485, 1372108), (508, 1309985), (635, 1047988), (730, 911606), (740, 899287), (970, 686054), (1270, 523994), (1460, 455803), (1940, 343027), (2540, 261997), (2701, 246380), (3589, 185420), (4699, 141620), (5402, 123190), (7081, 93980), (7178, 92710), (9271, 71780), (9398, 70810), (10804, 61595), (12319, 54020), (13505, 49276), (14162, 46990), (14356, 46355), (17945, 37084), (18542, 35890), (18796, 35405), (23495, 28324), (24638, 27010)]