28480100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1523}}^1$

素因数の和:1565

約数の個数: 72

約数和(自身を含む): 71432928

約数和(自身を除く): 42952828

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, 748, 850, 935, 1100, 1523, 1700, 1870, 3046, 3740, 4675, 6092, 7615, 9350, 15230, 16753, 18700, 25891, 30460, 33506, 38075, 51782, 67012, 76150, 83765, 103564, 129455, 152300, 167530, 258910, 284801, 335060, 418825, 517820, 569602, 647275, 837650, 1139204, 1294550, 1424005, 1675300, 2589100, 2848010, 5696020, 7120025, 14240050, 28480100]

約数ペア:

[(1, 28480100), (2, 14240050), (4, 7120025), (5, 5696020), (10, 2848010), (11, 2589100), (17, 1675300), (20, 1424005), (22, 1294550), (25, 1139204), (34, 837650), (44, 647275), (50, 569602), (55, 517820), (68, 418825), (85, 335060), (100, 284801), (110, 258910), (170, 167530), (187, 152300), (220, 129455), (275, 103564), (340, 83765), (374, 76150), (425, 67012), (550, 51782), (748, 38075), (850, 33506), (935, 30460), (1100, 25891), (1523, 18700), (1700, 16753), (1870, 15230), (3046, 9350), (3740, 7615), (4675, 6092)]