4920502990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{254027}}^1$

素因数の和:254196

約数の個数: 32

約数和(自身を含む): 9602258400

約数和(自身を除く): 4681755410

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149, 298, 745, 1490, 1937, 3874, 9685, 19370, 254027, 508054, 1270135, 2540270, 3302351, 6604702, 16511755, 33023510, 37850023, 75700046, 189250115, 378500230, 492050299, 984100598, 2460251495, 4920502990]

約数ペア:

[(1, 4920502990), (2, 2460251495), (5, 984100598), (10, 492050299), (13, 378500230), (26, 189250115), (65, 75700046), (130, 37850023), (149, 33023510), (298, 16511755), (745, 6604702), (1490, 3302351), (1937, 2540270), (3874, 1270135), (9685, 508054), (19370, 254027)]