79236620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{563}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 172827648

約数和(自身を除く): 93591028

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 227, 310, 454, 563, 620, 908, 1126, 1135, 2252, 2270, 2815, 4540, 5630, 7037, 11260, 14074, 17453, 28148, 34906, 35185, 69812, 70370, 87265, 127801, 140740, 174530, 255602, 349060, 511204, 639005, 1278010, 2556020, 3961831, 7923662, 15847324, 19809155, 39618310, 79236620]

約数ペア:

[(1, 79236620), (2, 39618310), (4, 19809155), (5, 15847324), (10, 7923662), (20, 3961831), (31, 2556020), (62, 1278010), (124, 639005), (155, 511204), (227, 349060), (310, 255602), (454, 174530), (563, 140740), (620, 127801), (908, 87265), (1126, 70370), (1135, 69812), (2252, 35185), (2270, 34906), (2815, 28148), (4540, 17453), (5630, 14074), (7037, 11260)]