66643400

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^2\times {\mathrm{1153}}^1$

素因数の和:1203

約数の個数: 72

約数和(自身を含む): 164739270

約数和(自身を除く): 98095870

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 289, 340, 425, 578, 680, 850, 1153, 1156, 1445, 1700, 2306, 2312, 2890, 3400, 4612, 5765, 5780, 7225, 9224, 11530, 11560, 14450, 19601, 23060, 28825, 28900, 39202, 46120, 57650, 57800, 78404, 98005, 115300, 156808, 196010, 230600, 333217, 392020, 490025, 666434, 784040, 980050, 1332868, 1666085, 1960100, 2665736, 3332170, 3920200, 6664340, 8330425, 13328680, 16660850, 33321700, 66643400]

約数ペア:

[(1, 66643400), (2, 33321700), (4, 16660850), (5, 13328680), (8, 8330425), (10, 6664340), (17, 3920200), (20, 3332170), (25, 2665736), (34, 1960100), (40, 1666085), (50, 1332868), (68, 980050), (85, 784040), (100, 666434), (136, 490025), (170, 392020), (200, 333217), (289, 230600), (340, 196010), (425, 156808), (578, 115300), (680, 98005), (850, 78404), (1153, 57800), (1156, 57650), (1445, 46120), (1700, 39202), (2306, 28900), (2312, 28825), (2890, 23060), (3400, 19601), (4612, 14450), (5765, 11560), (5780, 11530), (7225, 9224)]