1335688180

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{631}}^1\times {\mathrm{971}}^1$

素因数の和:1720

約数の個数: 48

約数和(自身を含む): 2838084480

約数和(自身を除く): 1502396300

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 631, 971, 1090, 1262, 1942, 2180, 2524, 3155, 3884, 4855, 6310, 9710, 12620, 19420, 68779, 105839, 137558, 211678, 275116, 343895, 423356, 529195, 612701, 687790, 1058390, 1225402, 1375580, 2116780, 2450804, 3063505, 6127010, 12254020, 66784409, 133568818, 267137636, 333922045, 667844090, 1335688180]

約数ペア:

[(1, 1335688180), (2, 667844090), (4, 333922045), (5, 267137636), (10, 133568818), (20, 66784409), (109, 12254020), (218, 6127010), (436, 3063505), (545, 2450804), (631, 2116780), (971, 1375580), (1090, 1225402), (1262, 1058390), (1942, 687790), (2180, 612701), (2524, 529195), (3155, 423356), (3884, 343895), (4855, 275116), (6310, 211678), (9710, 137558), (12620, 105839), (19420, 68779)]