2012080420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{463613}}^1$

素因数の和:463660

約数の個数: 48

約数和(自身を含む): 4984777728

約数和(自身を除く): 2972697308

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, 463613, 927226, 1854452, 2318065, 3245291, 4636130, 6490582, 9272260, 12981164, 14372003, 16226455, 28744006, 32452910, 57488012, 64905820, 71860015, 100604021, 143720030, 201208042, 287440060, 402416084, 503020105, 1006040210, 2012080420]

約数ペア:

[(1, 2012080420), (2, 1006040210), (4, 503020105), (5, 402416084), (7, 287440060), (10, 201208042), (14, 143720030), (20, 100604021), (28, 71860015), (31, 64905820), (35, 57488012), (62, 32452910), (70, 28744006), (124, 16226455), (140, 14372003), (155, 12981164), (217, 9272260), (310, 6490582), (434, 4636130), (620, 3245291), (868, 2318065), (1085, 1854452), (2170, 927226), (4340, 463613)]