213567620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{4969}}^1$

素因数の和:5292

約数の個数: 48

約数和(自身を含む): 514335360

約数和(自身を除く): 300767740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 307, 614, 1228, 1535, 2149, 3070, 4298, 4969, 6140, 8596, 9938, 10745, 19876, 21490, 24845, 34783, 42980, 49690, 69566, 99380, 139132, 173915, 347830, 695660, 1525483, 3050966, 6101932, 7627415, 10678381, 15254830, 21356762, 30509660, 42713524, 53391905, 106783810, 213567620]

約数ペア:

[(1, 213567620), (2, 106783810), (4, 53391905), (5, 42713524), (7, 30509660), (10, 21356762), (14, 15254830), (20, 10678381), (28, 7627415), (35, 6101932), (70, 3050966), (140, 1525483), (307, 695660), (614, 347830), (1228, 173915), (1535, 139132), (2149, 99380), (3070, 69566), (4298, 49690), (4969, 42980), (6140, 34783), (8596, 24845), (9938, 21490), (10745, 19876)]