208607180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{3797}}^1$

素因数の和:3914

約数の個数: 48

約数和(自身を含む): 455577696

約数和(自身を除く): 246970516

約数列:

[1, 2, 4, 5, 10, 20, 41, 67, 82, 134, 164, 205, 268, 335, 410, 670, 820, 1340, 2747, 3797, 5494, 7594, 10988, 13735, 15188, 18985, 27470, 37970, 54940, 75940, 155677, 254399, 311354, 508798, 622708, 778385, 1017596, 1271995, 1556770, 2543990, 3113540, 5087980, 10430359, 20860718, 41721436, 52151795, 104303590, 208607180]

約数ペア:

[(1, 208607180), (2, 104303590), (4, 52151795), (5, 41721436), (10, 20860718), (20, 10430359), (41, 5087980), (67, 3113540), (82, 2543990), (134, 1556770), (164, 1271995), (205, 1017596), (268, 778385), (335, 622708), (410, 508798), (670, 311354), (820, 254399), (1340, 155677), (2747, 75940), (3797, 54940), (5494, 37970), (7594, 27470), (10988, 18985), (13735, 15188)]