87668830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:313

約数の個数: 64

約数和(自身を含む): 174493440

約数和(自身を除く): 86824610

約数列:

[1, 2, 5, 10, 17, 34, 43, 67, 85, 86, 134, 170, 179, 215, 335, 358, 430, 670, 731, 895, 1139, 1462, 1790, 2278, 2881, 3043, 3655, 5695, 5762, 6086, 7310, 7697, 11390, 11993, 14405, 15215, 15394, 23986, 28810, 30430, 38485, 48977, 59965, 76970, 97954, 119930, 130849, 203881, 244885, 261698, 407762, 489770, 515699, 654245, 1019405, 1031398, 1308490, 2038810, 2578495, 5156990, 8766883, 17533766, 43834415, 87668830]

約数ペア:

[(1, 87668830), (2, 43834415), (5, 17533766), (10, 8766883), (17, 5156990), (34, 2578495), (43, 2038810), (67, 1308490), (85, 1031398), (86, 1019405), (134, 654245), (170, 515699), (179, 489770), (215, 407762), (335, 261698), (358, 244885), (430, 203881), (670, 130849), (731, 119930), (895, 97954), (1139, 76970), (1462, 59965), (1790, 48977), (2278, 38485), (2881, 30430), (3043, 28810), (3655, 23986), (5695, 15394), (5762, 15215), (6086, 14405), (7310, 11993), (7697, 11390)]