253399280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{8101}}^1$

素因数の和:8154

約数の個数: 80

約数和(自身を含む): 651011904

約数和(自身を除く): 397612624

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 34, 40, 46, 68, 80, 85, 92, 115, 136, 170, 184, 230, 272, 340, 368, 391, 460, 680, 782, 920, 1360, 1564, 1840, 1955, 3128, 3910, 6256, 7820, 8101, 15640, 16202, 31280, 32404, 40505, 64808, 81010, 129616, 137717, 162020, 186323, 275434, 324040, 372646, 550868, 648080, 688585, 745292, 931615, 1101736, 1377170, 1490584, 1863230, 2203472, 2754340, 2981168, 3167491, 3726460, 5508680, 6334982, 7452920, 11017360, 12669964, 14905840, 15837455, 25339928, 31674910, 50679856, 63349820, 126699640, 253399280]

約数ペア:

[(1, 253399280), (2, 126699640), (4, 63349820), (5, 50679856), (8, 31674910), (10, 25339928), (16, 15837455), (17, 14905840), (20, 12669964), (23, 11017360), (34, 7452920), (40, 6334982), (46, 5508680), (68, 3726460), (80, 3167491), (85, 2981168), (92, 2754340), (115, 2203472), (136, 1863230), (170, 1490584), (184, 1377170), (230, 1101736), (272, 931615), (340, 745292), (368, 688585), (391, 648080), (460, 550868), (680, 372646), (782, 324040), (920, 275434), (1360, 186323), (1564, 162020), (1840, 137717), (1955, 129616), (3128, 81010), (3910, 64808), (6256, 40505), (7820, 32404), (8101, 31280), (15640, 16202)]