2049804920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{20231}}^1$

素因数の和:20408

約数の個数: 64

約数和(自身を含む): 4916376000

約数和(自身を除く): 2866571080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 149, 170, 298, 340, 596, 680, 745, 1192, 1490, 2533, 2980, 5066, 5960, 10132, 12665, 20231, 20264, 25330, 40462, 50660, 80924, 101155, 101320, 161848, 202310, 343927, 404620, 687854, 809240, 1375708, 1719635, 2751416, 3014419, 3439270, 6028838, 6878540, 12057676, 13757080, 15072095, 24115352, 30144190, 51245123, 60288380, 102490246, 120576760, 204980492, 256225615, 409960984, 512451230, 1024902460, 2049804920]

約数ペア:

[(1, 2049804920), (2, 1024902460), (4, 512451230), (5, 409960984), (8, 256225615), (10, 204980492), (17, 120576760), (20, 102490246), (34, 60288380), (40, 51245123), (68, 30144190), (85, 24115352), (136, 15072095), (149, 13757080), (170, 12057676), (298, 6878540), (340, 6028838), (596, 3439270), (680, 3014419), (745, 2751416), (1192, 1719635), (1490, 1375708), (2533, 809240), (2980, 687854), (5066, 404620), (5960, 343927), (10132, 202310), (12665, 161848), (20231, 101320), (20264, 101155), (25330, 80924), (40462, 50660)]