2021838220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{499}}^1\times {\mathrm{701}}^1$

素因数の和:1243

約数の個数: 72

約数和(自身を含む): 4525794000

約数和(自身を除く): 2503955780

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 499, 578, 701, 998, 1156, 1402, 1445, 1996, 2495, 2804, 2890, 3505, 4990, 5780, 7010, 8483, 9980, 11917, 14020, 16966, 23834, 33932, 42415, 47668, 59585, 84830, 119170, 144211, 169660, 202589, 238340, 288422, 349799, 405178, 576844, 699598, 721055, 810356, 1012945, 1399196, 1442110, 1748995, 2025890, 2884220, 3497990, 4051780, 5946583, 6995980, 11893166, 23786332, 29732915, 59465830, 101091911, 118931660, 202183822, 404367644, 505459555, 1010919110, 2021838220]

約数ペア:

[(1, 2021838220), (2, 1010919110), (4, 505459555), (5, 404367644), (10, 202183822), (17, 118931660), (20, 101091911), (34, 59465830), (68, 29732915), (85, 23786332), (170, 11893166), (289, 6995980), (340, 5946583), (499, 4051780), (578, 3497990), (701, 2884220), (998, 2025890), (1156, 1748995), (1402, 1442110), (1445, 1399196), (1996, 1012945), (2495, 810356), (2804, 721055), (2890, 699598), (3505, 576844), (4990, 405178), (5780, 349799), (7010, 288422), (8483, 238340), (9980, 202589), (11917, 169660), (14020, 144211), (16966, 119170), (23834, 84830), (33932, 59585), (42415, 47668)]