73808860

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{389}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 159213600

約数和(自身を除く): 85404740

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 179, 212, 265, 358, 389, 530, 716, 778, 895, 1060, 1556, 1790, 1945, 3580, 3890, 7780, 9487, 18974, 20617, 37948, 41234, 47435, 69631, 82468, 94870, 103085, 139262, 189740, 206170, 278524, 348155, 412340, 696310, 1392620, 3690443, 7380886, 14761772, 18452215, 36904430, 73808860]

約数ペア:

[(1, 73808860), (2, 36904430), (4, 18452215), (5, 14761772), (10, 7380886), (20, 3690443), (53, 1392620), (106, 696310), (179, 412340), (212, 348155), (265, 278524), (358, 206170), (389, 189740), (530, 139262), (716, 103085), (778, 94870), (895, 82468), (1060, 69631), (1556, 47435), (1790, 41234), (1945, 37948), (3580, 20617), (3890, 18974), (7780, 9487)]