1976260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 4882752

約数和(自身を除く): 2906492

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 691, 715, 1382, 1430, 2764, 2860, 3455, 6910, 7601, 8983, 13820, 15202, 17966, 30404, 35932, 38005, 44915, 76010, 89830, 98813, 152020, 179660, 197626, 395252, 494065, 988130, 1976260]

約数ペア:

[(1, 1976260), (2, 988130), (4, 494065), (5, 395252), (10, 197626), (11, 179660), (13, 152020), (20, 98813), (22, 89830), (26, 76010), (44, 44915), (52, 38005), (55, 35932), (65, 30404), (110, 17966), (130, 15202), (143, 13820), (220, 8983), (260, 7601), (286, 6910), (572, 3455), (691, 2860), (715, 2764), (1382, 1430)]