395966480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{499}}^1$

素因数の和:641

約数の個数: 160

約数和(自身を含む): 1145760000

約数和(自身を除く): 749793520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 109, 112, 130, 140, 182, 208, 218, 260, 280, 364, 436, 455, 499, 520, 545, 560, 728, 763, 872, 910, 998, 1040, 1090, 1417, 1456, 1526, 1744, 1820, 1996, 2180, 2495, 2834, 3052, 3493, 3640, 3815, 3992, 4360, 4990, 5668, 6104, 6487, 6986, 7085, 7280, 7630, 7984, 8720, 9919, 9980, 11336, 12208, 12974, 13972, 14170, 15260, 17465, 19838, 19960, 22672, 25948, 27944, 28340, 30520, 32435, 34930, 39676, 39920, 45409, 49595, 51896, 54391, 55888, 56680, 61040, 64870, 69860, 79352, 90818, 99190, 103792, 108782, 113360, 129740, 139720, 158704, 181636, 198380, 217564, 227045, 259480, 271955, 279440, 363272, 380737, 396760, 435128, 454090, 518960, 543910, 707083, 726544, 761474, 793520, 870256, 908180, 1087820, 1414166, 1522948, 1816360, 1903685, 2175640, 2828332, 3045896, 3535415, 3632720, 3807370, 4351280, 4949581, 5656664, 6091792, 7070830, 7614740, 9899162, 11313328, 14141660, 15229480, 19798324, 24747905, 28283320, 30458960, 39596648, 49495810, 56566640, 79193296, 98991620, 197983240, 395966480]

約数ペア:

[(1, 395966480), (2, 197983240), (4, 98991620), (5, 79193296), (7, 56566640), (8, 49495810), (10, 39596648), (13, 30458960), (14, 28283320), (16, 24747905), (20, 19798324), (26, 15229480), (28, 14141660), (35, 11313328), (40, 9899162), (52, 7614740), (56, 7070830), (65, 6091792), (70, 5656664), (80, 4949581), (91, 4351280), (104, 3807370), (109, 3632720), (112, 3535415), (130, 3045896), (140, 2828332), (182, 2175640), (208, 1903685), (218, 1816360), (260, 1522948), (280, 1414166), (364, 1087820), (436, 908180), (455, 870256), (499, 793520), (520, 761474), (545, 726544), (560, 707083), (728, 543910), (763, 518960), (872, 454090), (910, 435128), (998, 396760), (1040, 380737), (1090, 363272), (1417, 279440), (1456, 271955), (1526, 259480), (1744, 227045), (1820, 217564), (1996, 198380), (2180, 181636), (2495, 158704), (2834, 139720), (3052, 129740), (3493, 113360), (3640, 108782), (3815, 103792), (3992, 99190), (4360, 90818), (4990, 79352), (5668, 69860), (6104, 64870), (6487, 61040), (6986, 56680), (7085, 55888), (7280, 54391), (7630, 51896), (7984, 49595), (8720, 45409), (9919, 39920), (9980, 39676), (11336, 34930), (12208, 32435), (12974, 30520), (13972, 28340), (14170, 27944), (15260, 25948), (17465, 22672), (19838, 19960)]