87721700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4691}}^1$

素因数の和:4733

約数の個数: 72

約数和(自身を含む): 219923424

約数和(自身を除く): 132201724

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, 1700, 1870, 3740, 4675, 4691, 9350, 9382, 18700, 18764, 23455, 46910, 51601, 79747, 93820, 103202, 117275, 159494, 206404, 234550, 258005, 318988, 398735, 469100, 516010, 797470, 877217, 1032020, 1290025, 1594940, 1754434, 1993675, 2580050, 3508868, 3987350, 4386085, 5160100, 7974700, 8772170, 17544340, 21930425, 43860850, 87721700]

約数ペア:

[(1, 87721700), (2, 43860850), (4, 21930425), (5, 17544340), (10, 8772170), (11, 7974700), (17, 5160100), (20, 4386085), (22, 3987350), (25, 3508868), (34, 2580050), (44, 1993675), (50, 1754434), (55, 1594940), (68, 1290025), (85, 1032020), (100, 877217), (110, 797470), (170, 516010), (187, 469100), (220, 398735), (275, 318988), (340, 258005), (374, 234550), (425, 206404), (550, 159494), (748, 117275), (850, 103202), (935, 93820), (1100, 79747), (1700, 51601), (1870, 46910), (3740, 23455), (4675, 18764), (4691, 18700), (9350, 9382)]