3988681780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{32497}}^1$

素因数の和:32561

約数の個数: 72

約数和(自身を含む): 9360593928

約数和(自身を除く): 5371912148

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 361, 380, 646, 722, 1292, 1444, 1615, 1805, 3230, 3610, 6137, 6460, 7220, 12274, 24548, 30685, 32497, 61370, 64994, 122740, 129988, 162485, 324970, 552449, 617443, 649940, 1104898, 1234886, 2209796, 2469772, 2762245, 3087215, 5524490, 6174430, 10496531, 11048980, 11731417, 12348860, 20993062, 23462834, 41986124, 46925668, 52482655, 58657085, 104965310, 117314170, 199434089, 209930620, 234628340, 398868178, 797736356, 997170445, 1994340890, 3988681780]

約数ペア:

[(1, 3988681780), (2, 1994340890), (4, 997170445), (5, 797736356), (10, 398868178), (17, 234628340), (19, 209930620), (20, 199434089), (34, 117314170), (38, 104965310), (68, 58657085), (76, 52482655), (85, 46925668), (95, 41986124), (170, 23462834), (190, 20993062), (323, 12348860), (340, 11731417), (361, 11048980), (380, 10496531), (646, 6174430), (722, 5524490), (1292, 3087215), (1444, 2762245), (1615, 2469772), (1805, 2209796), (3230, 1234886), (3610, 1104898), (6137, 649940), (6460, 617443), (7220, 552449), (12274, 324970), (24548, 162485), (30685, 129988), (32497, 122740), (61370, 64994)]