850147240

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{348421}}^1$

素因数の和:348493

約数の個数: 32

約数和(自身を含む): 1944194760

約数和(自身を除く): 1094047520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 348421, 696842, 1393684, 1742105, 2787368, 3484210, 6968420, 13936840, 21253681, 42507362, 85014724, 106268405, 170029448, 212536810, 425073620, 850147240]

約数ペア:

[(1, 850147240), (2, 425073620), (4, 212536810), (5, 170029448), (8, 106268405), (10, 85014724), (20, 42507362), (40, 21253681), (61, 13936840), (122, 6968420), (244, 3484210), (305, 2787368), (488, 1742105), (610, 1393684), (1220, 696842), (2440, 348421)]