316720

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:157

約数の個数: 40

約数和(自身を含む): 763344

約数和(自身を除く): 446624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 107, 148, 185, 214, 296, 370, 428, 535, 592, 740, 856, 1070, 1480, 1712, 2140, 2960, 3959, 4280, 7918, 8560, 15836, 19795, 31672, 39590, 63344, 79180, 158360, 316720]

約数ペア:

[(1, 316720), (2, 158360), (4, 79180), (5, 63344), (8, 39590), (10, 31672), (16, 19795), (20, 15836), (37, 8560), (40, 7918), (74, 4280), (80, 3959), (107, 2960), (148, 2140), (185, 1712), (214, 1480), (296, 1070), (370, 856), (428, 740), (535, 592)]