201181880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{2729}}^1$

素因数の和:2856

約数の個数: 64

約数和(自身を含む): 481572000

約数和(自身を除く): 280390120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 97, 152, 190, 194, 380, 388, 485, 760, 776, 970, 1843, 1940, 2729, 3686, 3880, 5458, 7372, 9215, 10916, 13645, 14744, 18430, 21832, 27290, 36860, 51851, 54580, 73720, 103702, 109160, 207404, 259255, 264713, 414808, 518510, 529426, 1037020, 1058852, 1323565, 2074040, 2117704, 2647130, 5029547, 5294260, 10059094, 10588520, 20118188, 25147735, 40236376, 50295470, 100590940, 201181880]

約数ペア:

[(1, 201181880), (2, 100590940), (4, 50295470), (5, 40236376), (8, 25147735), (10, 20118188), (19, 10588520), (20, 10059094), (38, 5294260), (40, 5029547), (76, 2647130), (95, 2117704), (97, 2074040), (152, 1323565), (190, 1058852), (194, 1037020), (380, 529426), (388, 518510), (485, 414808), (760, 264713), (776, 259255), (970, 207404), (1843, 109160), (1940, 103702), (2729, 73720), (3686, 54580), (3880, 51851), (5458, 36860), (7372, 27290), (9215, 21832), (10916, 18430), (13645, 14744)]