212822320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{156487}}^1$

素因数の和:156517

約数の個数: 40

約数和(自身を含む): 523921824

約数和(自身を除く): 311099504

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 156487, 312974, 625948, 782435, 1251896, 1564870, 2503792, 2660279, 3129740, 5320558, 6259480, 10641116, 12518960, 13301395, 21282232, 26602790, 42564464, 53205580, 106411160, 212822320]

約数ペア:

[(1, 212822320), (2, 106411160), (4, 53205580), (5, 42564464), (8, 26602790), (10, 21282232), (16, 13301395), (17, 12518960), (20, 10641116), (34, 6259480), (40, 5320558), (68, 3129740), (80, 2660279), (85, 2503792), (136, 1564870), (170, 1251896), (272, 782435), (340, 625948), (680, 312974), (1360, 156487)]