421661380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97157}}^1$

素因数の和:97204

約数の個数: 48

約数和(自身を含む): 1044642816

約数和(自身を除く): 622981436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 97157, 194314, 388628, 485785, 680099, 971570, 1360198, 1943140, 2720396, 3011867, 3400495, 6023734, 6800990, 12047468, 13601980, 15059335, 21083069, 30118670, 42166138, 60237340, 84332276, 105415345, 210830690, 421661380]

約数ペア:

[(1, 421661380), (2, 210830690), (4, 105415345), (5, 84332276), (7, 60237340), (10, 42166138), (14, 30118670), (20, 21083069), (28, 15059335), (31, 13601980), (35, 12047468), (62, 6800990), (70, 6023734), (124, 3400495), (140, 3011867), (155, 2720396), (217, 1943140), (310, 1360198), (434, 971570), (620, 680099), (868, 485785), (1085, 388628), (2170, 194314), (4340, 97157)]