2029883980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{331}}^1\times {\mathrm{1061}}^1$

素因数の和:1435

約数の個数: 72

約数和(自身を含む): 4546218096

約数和(自身を除く): 2516334116

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 331, 340, 578, 662, 1061, 1156, 1324, 1445, 1655, 2122, 2890, 3310, 4244, 5305, 5627, 5780, 6620, 10610, 11254, 18037, 21220, 22508, 28135, 36074, 56270, 72148, 90185, 95659, 112540, 180370, 191318, 306629, 351191, 360740, 382636, 478295, 613258, 702382, 956590, 1226516, 1404764, 1533145, 1755955, 1913180, 3066290, 3511910, 5970247, 6132580, 7023820, 11940494, 23880988, 29851235, 59702470, 101494199, 119404940, 202988398, 405976796, 507470995, 1014941990, 2029883980]

約数ペア:

[(1, 2029883980), (2, 1014941990), (4, 507470995), (5, 405976796), (10, 202988398), (17, 119404940), (20, 101494199), (34, 59702470), (68, 29851235), (85, 23880988), (170, 11940494), (289, 7023820), (331, 6132580), (340, 5970247), (578, 3511910), (662, 3066290), (1061, 1913180), (1156, 1755955), (1324, 1533145), (1445, 1404764), (1655, 1226516), (2122, 956590), (2890, 702382), (3310, 613258), (4244, 478295), (5305, 382636), (5627, 360740), (5780, 351191), (6620, 306629), (10610, 191318), (11254, 180370), (18037, 112540), (21220, 95659), (22508, 90185), (28135, 72148), (36074, 56270)]