89064020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{811}}^1$

素因数の和:873

約数の個数: 72

約数和(自身を含む): 209398560

約数和(自身を除く): 120334540

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 289, 323, 340, 380, 578, 646, 811, 1156, 1292, 1445, 1615, 1622, 2890, 3230, 3244, 4055, 5491, 5780, 6460, 8110, 10982, 13787, 15409, 16220, 21964, 27455, 27574, 30818, 54910, 55148, 61636, 68935, 77045, 109820, 137870, 154090, 234379, 261953, 275740, 308180, 468758, 523906, 937516, 1047812, 1171895, 1309765, 2343790, 2619530, 4453201, 4687580, 5239060, 8906402, 17812804, 22266005, 44532010, 89064020]

約数ペア:

[(1, 89064020), (2, 44532010), (4, 22266005), (5, 17812804), (10, 8906402), (17, 5239060), (19, 4687580), (20, 4453201), (34, 2619530), (38, 2343790), (68, 1309765), (76, 1171895), (85, 1047812), (95, 937516), (170, 523906), (190, 468758), (289, 308180), (323, 275740), (340, 261953), (380, 234379), (578, 154090), (646, 137870), (811, 109820), (1156, 77045), (1292, 68935), (1445, 61636), (1615, 55148), (1622, 54910), (2890, 30818), (3230, 27574), (3244, 27455), (4055, 21964), (5491, 16220), (5780, 15409), (6460, 13787), (8110, 10982)]