348516040

素因数分解:

$2^3\times 5^1\times {\mathrm{709}}^1\times {\mathrm{12289}}^1$

素因数の和:13009

約数の個数: 32

約数和(自身を含む): 785331000

約数和(自身を除く): 436814960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 709, 1418, 2836, 3545, 5672, 7090, 12289, 14180, 24578, 28360, 49156, 61445, 98312, 122890, 245780, 491560, 8712901, 17425802, 34851604, 43564505, 69703208, 87129010, 174258020, 348516040]

約数ペア:

[(1, 348516040), (2, 174258020), (4, 87129010), (5, 69703208), (8, 43564505), (10, 34851604), (20, 17425802), (40, 8712901), (709, 491560), (1418, 245780), (2836, 122890), (3545, 98312), (5672, 61445), (7090, 49156), (12289, 28360), (14180, 24578)]