2891855220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{306991}}^1$

素因数の和:307160

約数の個数: 48

約数和(自身を含む): 8148795648

約数和(自身を除く): 5256940428

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 942, 1570, 1884, 2355, 3140, 4710, 9420, 306991, 613982, 920973, 1227964, 1534955, 1841946, 3069910, 3683892, 4604865, 6139820, 9209730, 18419460, 48197587, 96395174, 144592761, 192790348, 240987935, 289185522, 481975870, 578371044, 722963805, 963951740, 1445927610, 2891855220]

約数ペア:

[(1, 2891855220), (2, 1445927610), (3, 963951740), (4, 722963805), (5, 578371044), (6, 481975870), (10, 289185522), (12, 240987935), (15, 192790348), (20, 144592761), (30, 96395174), (60, 48197587), (157, 18419460), (314, 9209730), (471, 6139820), (628, 4604865), (785, 3683892), (942, 3069910), (1570, 1841946), (1884, 1534955), (2355, 1227964), (3140, 920973), (4710, 613982), (9420, 306991)]