2017371990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{677}}^1\times {\mathrm{1399}}^1$

素因数の和:2157

約数の個数: 64

約数和(自身を含む): 4920652800

約数和(自身を除く): 2903280810

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 677, 710, 1065, 1354, 1399, 2031, 2130, 2798, 3385, 4062, 4197, 6770, 6995, 8394, 10155, 13990, 20310, 20985, 41970, 48067, 96134, 99329, 144201, 198658, 240335, 288402, 297987, 480670, 496645, 595974, 721005, 947123, 993290, 1442010, 1489935, 1894246, 2841369, 2979870, 4735615, 5682738, 9471230, 14206845, 28413690, 67245733, 134491466, 201737199, 336228665, 403474398, 672457330, 1008685995, 2017371990]

約数ペア:

[(1, 2017371990), (2, 1008685995), (3, 672457330), (5, 403474398), (6, 336228665), (10, 201737199), (15, 134491466), (30, 67245733), (71, 28413690), (142, 14206845), (213, 9471230), (355, 5682738), (426, 4735615), (677, 2979870), (710, 2841369), (1065, 1894246), (1354, 1489935), (1399, 1442010), (2031, 993290), (2130, 947123), (2798, 721005), (3385, 595974), (4062, 496645), (4197, 480670), (6770, 297987), (6995, 288402), (8394, 240335), (10155, 198658), (13990, 144201), (20310, 99329), (20985, 96134), (41970, 48067)]