207312040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20983}}^1$

素因数の和:21026

約数の個数: 64

約数和(自身を含む): 528796800

約数和(自身を除く): 321484760

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 20983, 41966, 83932, 104915, 167864, 209830, 272779, 398677, 419660, 545558, 797354, 839320, 1091116, 1363895, 1594708, 1993385, 2182232, 2727790, 3189416, 3986770, 5182801, 5455580, 7973540, 10365602, 10911160, 15947080, 20731204, 25914005, 41462408, 51828010, 103656020, 207312040]

約数ペア:

[(1, 207312040), (2, 103656020), (4, 51828010), (5, 41462408), (8, 25914005), (10, 20731204), (13, 15947080), (19, 10911160), (20, 10365602), (26, 7973540), (38, 5455580), (40, 5182801), (52, 3986770), (65, 3189416), (76, 2727790), (95, 2182232), (104, 1993385), (130, 1594708), (152, 1363895), (190, 1091116), (247, 839320), (260, 797354), (380, 545558), (494, 419660), (520, 398677), (760, 272779), (988, 209830), (1235, 167864), (1976, 104915), (2470, 83932), (4940, 41966), (9880, 20983)]