317742440

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{70297}}^1$

素因数の和:70421

約数の個数: 32

約数和(自身を含む): 721257480

約数和(自身を除く): 403515040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 70297, 140594, 281188, 351485, 562376, 702970, 1405940, 2811880, 7943561, 15887122, 31774244, 39717805, 63548488, 79435610, 158871220, 317742440]

約数ペア:

[(1, 317742440), (2, 158871220), (4, 79435610), (5, 63548488), (8, 39717805), (10, 31774244), (20, 15887122), (40, 7943561), (113, 2811880), (226, 1405940), (452, 702970), (565, 562376), (904, 351485), (1130, 281188), (2260, 140594), (4520, 70297)]