90402760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16993}}^1$

素因数の和:17030

約数の個数: 64

約数和(自身を含む): 244713600

約数和(自身を除く): 154310840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 16993, 33986, 67972, 84965, 118951, 135944, 169930, 237902, 322867, 339860, 475804, 594755, 645734, 679720, 951608, 1189510, 1291468, 1614335, 2260069, 2379020, 2582936, 3228670, 4520138, 4758040, 6457340, 9040276, 11300345, 12914680, 18080552, 22600690, 45201380, 90402760]

約数ペア:

[(1, 90402760), (2, 45201380), (4, 22600690), (5, 18080552), (7, 12914680), (8, 11300345), (10, 9040276), (14, 6457340), (19, 4758040), (20, 4520138), (28, 3228670), (35, 2582936), (38, 2379020), (40, 2260069), (56, 1614335), (70, 1291468), (76, 1189510), (95, 951608), (133, 679720), (140, 645734), (152, 594755), (190, 475804), (266, 339860), (280, 322867), (380, 237902), (532, 169930), (665, 135944), (760, 118951), (1064, 84965), (1330, 67972), (2660, 33986), (5320, 16993)]