387653140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{499}}^1$

素因数の和:725

約数の個数: 96

約数和(自身を含む): 967680000

約数和(自身を除く): 580026860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 179, 217, 310, 358, 434, 499, 620, 716, 868, 895, 998, 1085, 1253, 1790, 1996, 2170, 2495, 2506, 3493, 3580, 4340, 4990, 5012, 5549, 6265, 6986, 9980, 11098, 12530, 13972, 15469, 17465, 22196, 25060, 27745, 30938, 34930, 38843, 55490, 61876, 69860, 77345, 77686, 89321, 108283, 110980, 154690, 155372, 178642, 194215, 216566, 309380, 357284, 388430, 433132, 446605, 541415, 625247, 776860, 893210, 1082830, 1250494, 1786420, 2165660, 2500988, 2768951, 3126235, 5537902, 6252470, 11075804, 12504940, 13844755, 19382657, 27689510, 38765314, 55379020, 77530628, 96913285, 193826570, 387653140]

約数ペア:

[(1, 387653140), (2, 193826570), (4, 96913285), (5, 77530628), (7, 55379020), (10, 38765314), (14, 27689510), (20, 19382657), (28, 13844755), (31, 12504940), (35, 11075804), (62, 6252470), (70, 5537902), (124, 3126235), (140, 2768951), (155, 2500988), (179, 2165660), (217, 1786420), (310, 1250494), (358, 1082830), (434, 893210), (499, 776860), (620, 625247), (716, 541415), (868, 446605), (895, 433132), (998, 388430), (1085, 357284), (1253, 309380), (1790, 216566), (1996, 194215), (2170, 178642), (2495, 155372), (2506, 154690), (3493, 110980), (3580, 108283), (4340, 89321), (4990, 77686), (5012, 77345), (5549, 69860), (6265, 61876), (6986, 55490), (9980, 38843), (11098, 34930), (12530, 30938), (13972, 27745), (15469, 25060), (17465, 22196)]