61815860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{557}}^1$

素因数の和:776

約数の個数: 48

約数和(自身を含む): 134991360

約数和(自身を除く): 73175500

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 179, 310, 358, 557, 620, 716, 895, 1114, 1790, 2228, 2785, 3580, 5549, 5570, 11098, 11140, 17267, 22196, 27745, 34534, 55490, 69068, 86335, 99703, 110980, 172670, 199406, 345340, 398812, 498515, 997030, 1994060, 3090793, 6181586, 12363172, 15453965, 30907930, 61815860]

約数ペア:

[(1, 61815860), (2, 30907930), (4, 15453965), (5, 12363172), (10, 6181586), (20, 3090793), (31, 1994060), (62, 997030), (124, 498515), (155, 398812), (179, 345340), (310, 199406), (358, 172670), (557, 110980), (620, 99703), (716, 86335), (895, 69068), (1114, 55490), (1790, 34534), (2228, 27745), (2785, 22196), (3580, 17267), (5549, 11140), (5570, 11098)]