431156540

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{2251}}^1$

素因数の和:2478

約数の個数: 48

約数和(自身を含む): 926544864

約数和(自身を除く): 495388324

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 157, 244, 305, 314, 610, 628, 785, 1220, 1570, 2251, 3140, 4502, 9004, 9577, 11255, 19154, 22510, 38308, 45020, 47885, 95770, 137311, 191540, 274622, 353407, 549244, 686555, 706814, 1373110, 1413628, 1767035, 2746220, 3534070, 7068140, 21557827, 43115654, 86231308, 107789135, 215578270, 431156540]

約数ペア:

[(1, 431156540), (2, 215578270), (4, 107789135), (5, 86231308), (10, 43115654), (20, 21557827), (61, 7068140), (122, 3534070), (157, 2746220), (244, 1767035), (305, 1413628), (314, 1373110), (610, 706814), (628, 686555), (785, 549244), (1220, 353407), (1570, 274622), (2251, 191540), (3140, 137311), (4502, 95770), (9004, 47885), (9577, 45020), (11255, 38308), (19154, 22510)]