28769950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{181}}^1$

素因数の和:238

約数の個数: 72

約数和(自身を含む): 62355384

約数和(自身を除く): 33585434

約数列:

[1, 2, 5, 10, 11, 17, 22, 25, 34, 50, 55, 85, 110, 170, 181, 187, 275, 289, 362, 374, 425, 550, 578, 850, 905, 935, 1445, 1810, 1870, 1991, 2890, 3077, 3179, 3982, 4525, 4675, 6154, 6358, 7225, 9050, 9350, 9955, 14450, 15385, 15895, 19910, 30770, 31790, 33847, 49775, 52309, 67694, 76925, 79475, 99550, 104618, 153850, 158950, 169235, 261545, 338470, 523090, 575399, 846175, 1150798, 1307725, 1692350, 2615450, 2876995, 5753990, 14384975, 28769950]

約数ペア:

[(1, 28769950), (2, 14384975), (5, 5753990), (10, 2876995), (11, 2615450), (17, 1692350), (22, 1307725), (25, 1150798), (34, 846175), (50, 575399), (55, 523090), (85, 338470), (110, 261545), (170, 169235), (181, 158950), (187, 153850), (275, 104618), (289, 99550), (362, 79475), (374, 76925), (425, 67694), (550, 52309), (578, 49775), (850, 33847), (905, 31790), (935, 30770), (1445, 19910), (1810, 15895), (1870, 15385), (1991, 14450), (2890, 9955), (3077, 9350), (3179, 9050), (3982, 7225), (4525, 6358), (4675, 6154)]