74940460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{3851}}^1$

素因数の和:4006

約数の個数: 48

約数和(自身を含む): 181198080

約数和(自身を除く): 106257620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 3851, 3892, 4865, 7702, 9730, 15404, 19255, 19460, 26957, 38510, 53914, 77020, 107828, 134785, 269570, 535289, 539140, 1070578, 2141156, 2676445, 3747023, 5352890, 7494046, 10705780, 14988092, 18735115, 37470230, 74940460]

約数ペア:

[(1, 74940460), (2, 37470230), (4, 18735115), (5, 14988092), (7, 10705780), (10, 7494046), (14, 5352890), (20, 3747023), (28, 2676445), (35, 2141156), (70, 1070578), (139, 539140), (140, 535289), (278, 269570), (556, 134785), (695, 107828), (973, 77020), (1390, 53914), (1946, 38510), (2780, 26957), (3851, 19460), (3892, 19255), (4865, 15404), (7702, 9730)]