173058980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{379}}^1$

素因数の和:501

約数の個数: 72

約数和(自身を含む): 391977600

約数和(自身を除く): 218918620

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 79, 85, 158, 170, 289, 316, 340, 379, 395, 578, 758, 790, 1156, 1343, 1445, 1516, 1580, 1895, 2686, 2890, 3790, 5372, 5780, 6443, 6715, 7580, 12886, 13430, 22831, 25772, 26860, 29941, 32215, 45662, 59882, 64430, 91324, 109531, 114155, 119764, 128860, 149705, 219062, 228310, 299410, 438124, 456620, 508997, 547655, 598820, 1017994, 1095310, 2035988, 2190620, 2544985, 5089970, 8652949, 10179940, 17305898, 34611796, 43264745, 86529490, 173058980]

約数ペア:

[(1, 173058980), (2, 86529490), (4, 43264745), (5, 34611796), (10, 17305898), (17, 10179940), (20, 8652949), (34, 5089970), (68, 2544985), (79, 2190620), (85, 2035988), (158, 1095310), (170, 1017994), (289, 598820), (316, 547655), (340, 508997), (379, 456620), (395, 438124), (578, 299410), (758, 228310), (790, 219062), (1156, 149705), (1343, 128860), (1445, 119764), (1516, 114155), (1580, 109531), (1895, 91324), (2686, 64430), (2890, 59882), (3790, 45662), (5372, 32215), (5780, 29941), (6443, 26860), (6715, 25772), (7580, 22831), (12886, 13430)]