217423840

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1933}}^1$

素因数の和:2004

約数の個数: 96

約数和(自身を含む): 555599520

約数和(自身を除く): 338175680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 37, 38, 40, 74, 76, 80, 95, 148, 152, 160, 185, 190, 296, 304, 370, 380, 592, 608, 703, 740, 760, 1184, 1406, 1480, 1520, 1933, 2812, 2960, 3040, 3515, 3866, 5624, 5920, 7030, 7732, 9665, 11248, 14060, 15464, 19330, 22496, 28120, 30928, 36727, 38660, 56240, 61856, 71521, 73454, 77320, 112480, 143042, 146908, 154640, 183635, 286084, 293816, 309280, 357605, 367270, 572168, 587632, 715210, 734540, 1144336, 1175264, 1358899, 1430420, 1469080, 2288672, 2717798, 2860840, 2938160, 5435596, 5721680, 5876320, 6794495, 10871192, 11443360, 13588990, 21742384, 27177980, 43484768, 54355960, 108711920, 217423840]

約数ペア:

[(1, 217423840), (2, 108711920), (4, 54355960), (5, 43484768), (8, 27177980), (10, 21742384), (16, 13588990), (19, 11443360), (20, 10871192), (32, 6794495), (37, 5876320), (38, 5721680), (40, 5435596), (74, 2938160), (76, 2860840), (80, 2717798), (95, 2288672), (148, 1469080), (152, 1430420), (160, 1358899), (185, 1175264), (190, 1144336), (296, 734540), (304, 715210), (370, 587632), (380, 572168), (592, 367270), (608, 357605), (703, 309280), (740, 293816), (760, 286084), (1184, 183635), (1406, 154640), (1480, 146908), (1520, 143042), (1933, 112480), (2812, 77320), (2960, 73454), (3040, 71521), (3515, 61856), (3866, 56240), (5624, 38660), (5920, 36727), (7030, 30928), (7732, 28120), (9665, 22496), (11248, 19330), (14060, 15464)]