12921700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{691}}^1$

素因数の和:733

約数の個数: 72

約数和(自身を含む): 32435424

約数和(自身を除く): 19513724

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 34, 44, 50, 55, 68, 85, 100, 110, 170, 187, 220, 275, 340, 374, 425, 550, 691, 748, 850, 935, 1100, 1382, 1700, 1870, 2764, 3455, 3740, 4675, 6910, 7601, 9350, 11747, 13820, 15202, 17275, 18700, 23494, 30404, 34550, 38005, 46988, 58735, 69100, 76010, 117470, 129217, 152020, 190025, 234940, 258434, 293675, 380050, 516868, 587350, 646085, 760100, 1174700, 1292170, 2584340, 3230425, 6460850, 12921700]

約数ペア:

[(1, 12921700), (2, 6460850), (4, 3230425), (5, 2584340), (10, 1292170), (11, 1174700), (17, 760100), (20, 646085), (22, 587350), (25, 516868), (34, 380050), (44, 293675), (50, 258434), (55, 234940), (68, 190025), (85, 152020), (100, 129217), (110, 117470), (170, 76010), (187, 69100), (220, 58735), (275, 46988), (340, 38005), (374, 34550), (425, 30404), (550, 23494), (691, 18700), (748, 17275), (850, 15202), (935, 13820), (1100, 11747), (1382, 9350), (1700, 7601), (1870, 6910), (2764, 4675), (3455, 3740)]