2018002360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{30781}}^1$

素因数の和:30952

約数の個数: 64

約数和(自身を含む): 4986684000

約数和(自身を除く): 2968681640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 149, 220, 298, 440, 596, 745, 1192, 1490, 1639, 2980, 3278, 5960, 6556, 8195, 13112, 16390, 30781, 32780, 61562, 65560, 123124, 153905, 246248, 307810, 338591, 615620, 677182, 1231240, 1354364, 1692955, 2708728, 3385910, 4586369, 6771820, 9172738, 13543640, 18345476, 22931845, 36690952, 45863690, 50450059, 91727380, 100900118, 183454760, 201800236, 252250295, 403600472, 504500590, 1009001180, 2018002360]

約数ペア:

[(1, 2018002360), (2, 1009001180), (4, 504500590), (5, 403600472), (8, 252250295), (10, 201800236), (11, 183454760), (20, 100900118), (22, 91727380), (40, 50450059), (44, 45863690), (55, 36690952), (88, 22931845), (110, 18345476), (149, 13543640), (220, 9172738), (298, 6771820), (440, 4586369), (596, 3385910), (745, 2708728), (1192, 1692955), (1490, 1354364), (1639, 1231240), (2980, 677182), (3278, 615620), (5960, 338591), (6556, 307810), (8195, 246248), (13112, 153905), (16390, 123124), (30781, 65560), (32780, 61562)]