70870940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{1031}}^1$

素因数の和:1538

約数の個数: 48

約数和(自身を含む): 170601984

約数和(自身を除く): 99731044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 491, 982, 1031, 1964, 2062, 2455, 3437, 4124, 4910, 5155, 6874, 7217, 9820, 10310, 13748, 14434, 17185, 20620, 28868, 34370, 36085, 68740, 72170, 144340, 506221, 1012442, 2024884, 2531105, 3543547, 5062210, 7087094, 10124420, 14174188, 17717735, 35435470, 70870940]

約数ペア:

[(1, 70870940), (2, 35435470), (4, 17717735), (5, 14174188), (7, 10124420), (10, 7087094), (14, 5062210), (20, 3543547), (28, 2531105), (35, 2024884), (70, 1012442), (140, 506221), (491, 144340), (982, 72170), (1031, 68740), (1964, 36085), (2062, 34370), (2455, 28868), (3437, 20620), (4124, 17185), (4910, 14434), (5155, 13748), (6874, 10310), (7217, 9820)]