90983320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1997}}^1$

素因数の和:2092

約数の個数: 64

約数和(自身を含む): 220099680

約数和(自身を除く): 129116360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 67, 68, 85, 134, 136, 170, 268, 335, 340, 536, 670, 680, 1139, 1340, 1997, 2278, 2680, 3994, 4556, 5695, 7988, 9112, 9985, 11390, 15976, 19970, 22780, 33949, 39940, 45560, 67898, 79880, 133799, 135796, 169745, 267598, 271592, 339490, 535196, 668995, 678980, 1070392, 1337990, 1357960, 2274583, 2675980, 4549166, 5351960, 9098332, 11372915, 18196664, 22745830, 45491660, 90983320]

約数ペア:

[(1, 90983320), (2, 45491660), (4, 22745830), (5, 18196664), (8, 11372915), (10, 9098332), (17, 5351960), (20, 4549166), (34, 2675980), (40, 2274583), (67, 1357960), (68, 1337990), (85, 1070392), (134, 678980), (136, 668995), (170, 535196), (268, 339490), (335, 271592), (340, 267598), (536, 169745), (670, 135796), (680, 133799), (1139, 79880), (1340, 67898), (1997, 45560), (2278, 39940), (2680, 33949), (3994, 22780), (4556, 19970), (5695, 15976), (7988, 11390), (9112, 9985)]