66698980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{601}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 145635840

約数和(自身を除く): 78936860

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 179, 310, 358, 601, 620, 716, 895, 1202, 1790, 2404, 3005, 3580, 5549, 6010, 11098, 12020, 18631, 22196, 27745, 37262, 55490, 74524, 93155, 107579, 110980, 186310, 215158, 372620, 430316, 537895, 1075790, 2151580, 3334949, 6669898, 13339796, 16674745, 33349490, 66698980]

約数ペア:

[(1, 66698980), (2, 33349490), (4, 16674745), (5, 13339796), (10, 6669898), (20, 3334949), (31, 2151580), (62, 1075790), (124, 537895), (155, 430316), (179, 372620), (310, 215158), (358, 186310), (601, 110980), (620, 107579), (716, 93155), (895, 74524), (1202, 55490), (1790, 37262), (2404, 27745), (3005, 22196), (3580, 18631), (5549, 12020), (6010, 11098)]