82877620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4451}}^1$

素因数の和:4493

約数の個数: 72

約数和(自身を含む): 213161760

約数和(自身を除く): 130284140

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1862, 2660, 3724, 4451, 4655, 8902, 9310, 17804, 18620, 22255, 31157, 44510, 62314, 84569, 89020, 124628, 155785, 169138, 218099, 311570, 338276, 422845, 436198, 591983, 623140, 845690, 872396, 1090495, 1183966, 1691380, 2180990, 2367932, 2959915, 4143881, 4361980, 5919830, 8287762, 11839660, 16575524, 20719405, 41438810, 82877620]

約数ペア:

[(1, 82877620), (2, 41438810), (4, 20719405), (5, 16575524), (7, 11839660), (10, 8287762), (14, 5919830), (19, 4361980), (20, 4143881), (28, 2959915), (35, 2367932), (38, 2180990), (49, 1691380), (70, 1183966), (76, 1090495), (95, 872396), (98, 845690), (133, 623140), (140, 591983), (190, 436198), (196, 422845), (245, 338276), (266, 311570), (380, 218099), (490, 169138), (532, 155785), (665, 124628), (931, 89020), (980, 84569), (1330, 62314), (1862, 44510), (2660, 31157), (3724, 22255), (4451, 18620), (4655, 17804), (8902, 9310)]