77114980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2039}}^1$

素因数の和:2140

約数の個数: 48

約数和(自身を含む): 169989120

約数和(自身を除く): 92874140

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 122, 124, 155, 244, 305, 310, 610, 620, 1220, 1891, 2039, 3782, 4078, 7564, 8156, 9455, 10195, 18910, 20390, 37820, 40780, 63209, 124379, 126418, 248758, 252836, 316045, 497516, 621895, 632090, 1243790, 1264180, 2487580, 3855749, 7711498, 15422996, 19278745, 38557490, 77114980]

約数ペア:

[(1, 77114980), (2, 38557490), (4, 19278745), (5, 15422996), (10, 7711498), (20, 3855749), (31, 2487580), (61, 1264180), (62, 1243790), (122, 632090), (124, 621895), (155, 497516), (244, 316045), (305, 252836), (310, 248758), (610, 126418), (620, 124379), (1220, 63209), (1891, 40780), (2039, 37820), (3782, 20390), (4078, 18910), (7564, 10195), (8156, 9455)]