1971004020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{462677}}^1$

素因数の和:462760

約数の個数: 48

約数和(自身を含む): 5596553088

約数和(自身を除く): 3625549068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 462677, 925354, 1388031, 1850708, 2313385, 2776062, 4626770, 5552124, 6940155, 9253540, 13880310, 27760620, 32850067, 65700134, 98550201, 131400268, 164250335, 197100402, 328500670, 394200804, 492751005, 657001340, 985502010, 1971004020]

約数ペア:

[(1, 1971004020), (2, 985502010), (3, 657001340), (4, 492751005), (5, 394200804), (6, 328500670), (10, 197100402), (12, 164250335), (15, 131400268), (20, 98550201), (30, 65700134), (60, 32850067), (71, 27760620), (142, 13880310), (213, 9253540), (284, 6940155), (355, 5552124), (426, 4626770), (710, 2776062), (852, 2313385), (1065, 1850708), (1420, 1388031), (2130, 925354), (4260, 462677)]