129943940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{379}}^1$

素因数の和:505

約数の個数: 96

約数和(自身を含む): 326860800

約数和(自身を除く): 196916860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 79, 124, 140, 155, 158, 217, 310, 316, 379, 395, 434, 553, 620, 758, 790, 868, 1085, 1106, 1516, 1580, 1895, 2170, 2212, 2449, 2653, 2765, 3790, 4340, 4898, 5306, 5530, 7580, 9796, 10612, 11060, 11749, 12245, 13265, 17143, 23498, 24490, 26530, 29941, 34286, 46996, 48980, 53060, 58745, 59882, 68572, 82243, 85715, 117490, 119764, 149705, 164486, 171430, 209587, 234980, 299410, 328972, 342860, 411215, 419174, 598820, 822430, 838348, 928171, 1047935, 1644860, 1856342, 2095870, 3712684, 4191740, 4640855, 6497197, 9281710, 12994394, 18563420, 25988788, 32485985, 64971970, 129943940]

約数ペア:

[(1, 129943940), (2, 64971970), (4, 32485985), (5, 25988788), (7, 18563420), (10, 12994394), (14, 9281710), (20, 6497197), (28, 4640855), (31, 4191740), (35, 3712684), (62, 2095870), (70, 1856342), (79, 1644860), (124, 1047935), (140, 928171), (155, 838348), (158, 822430), (217, 598820), (310, 419174), (316, 411215), (379, 342860), (395, 328972), (434, 299410), (553, 234980), (620, 209587), (758, 171430), (790, 164486), (868, 149705), (1085, 119764), (1106, 117490), (1516, 85715), (1580, 82243), (1895, 68572), (2170, 59882), (2212, 58745), (2449, 53060), (2653, 48980), (2765, 46996), (3790, 34286), (4340, 29941), (4898, 26530), (5306, 24490), (5530, 23498), (7580, 17143), (9796, 13265), (10612, 12245), (11060, 11749)]