438481960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{5101}}^1$

素因数の和:5426

約数の個数: 64

約数和(自身を含む): 1131419520

約数和(自身を除く): 692937560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 307, 614, 1228, 1535, 2149, 2456, 3070, 4298, 5101, 6140, 8596, 10202, 10745, 12280, 17192, 20404, 21490, 25505, 35707, 40808, 42980, 51010, 71414, 85960, 102020, 142828, 178535, 204040, 285656, 357070, 714140, 1428280, 1566007, 3132014, 6264028, 7830035, 10962049, 12528056, 15660070, 21924098, 31320140, 43848196, 54810245, 62640280, 87696392, 109620490, 219240980, 438481960]

約数ペア:

[(1, 438481960), (2, 219240980), (4, 109620490), (5, 87696392), (7, 62640280), (8, 54810245), (10, 43848196), (14, 31320140), (20, 21924098), (28, 15660070), (35, 12528056), (40, 10962049), (56, 7830035), (70, 6264028), (140, 3132014), (280, 1566007), (307, 1428280), (614, 714140), (1228, 357070), (1535, 285656), (2149, 204040), (2456, 178535), (3070, 142828), (4298, 102020), (5101, 85960), (6140, 71414), (8596, 51010), (10202, 42980), (10745, 40808), (12280, 35707), (17192, 25505), (20404, 21490)]