636852820

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{4547}}^1$

素因数の和:4752

約数の個数: 48

約数和(自身を含む): 1375315200

約数和(自身を除く): 738462380

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 149, 188, 235, 298, 470, 596, 745, 940, 1490, 2980, 4547, 7003, 9094, 14006, 18188, 22735, 28012, 35015, 45470, 70030, 90940, 140060, 213709, 427418, 677503, 854836, 1068545, 1355006, 2137090, 2710012, 3387515, 4274180, 6775030, 13550060, 31842641, 63685282, 127370564, 159213205, 318426410, 636852820]

約数ペア:

[(1, 636852820), (2, 318426410), (4, 159213205), (5, 127370564), (10, 63685282), (20, 31842641), (47, 13550060), (94, 6775030), (149, 4274180), (188, 3387515), (235, 2710012), (298, 2137090), (470, 1355006), (596, 1068545), (745, 854836), (940, 677503), (1490, 427418), (2980, 213709), (4547, 140060), (7003, 90940), (9094, 70030), (14006, 45470), (18188, 35015), (22735, 28012)]