86431940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{3449}}^1$

素因数の和:3644

約数の個数: 48

約数和(自身を含む): 208656000

約数和(自身を除く): 122224060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 179, 358, 716, 895, 1253, 1790, 2506, 3449, 3580, 5012, 6265, 6898, 12530, 13796, 17245, 24143, 25060, 34490, 48286, 68980, 96572, 120715, 241430, 482860, 617371, 1234742, 2469484, 3086855, 4321597, 6173710, 8643194, 12347420, 17286388, 21607985, 43215970, 86431940]

約数ペア:

[(1, 86431940), (2, 43215970), (4, 21607985), (5, 17286388), (7, 12347420), (10, 8643194), (14, 6173710), (20, 4321597), (28, 3086855), (35, 2469484), (70, 1234742), (140, 617371), (179, 482860), (358, 241430), (716, 120715), (895, 96572), (1253, 68980), (1790, 48286), (2506, 34490), (3449, 25060), (3580, 24143), (5012, 17245), (6265, 13796), (6898, 12530)]