278324980

素因数分解:

$2^2\times 5^1\times {\mathrm{1327}}^1\times {\mathrm{10487}}^1$

素因数の和:11823

約数の個数: 24

約数和(自身を含む): 584978688

約数和(自身を除く): 306653708

約数列:

[1, 2, 4, 5, 10, 20, 1327, 2654, 5308, 6635, 10487, 13270, 20974, 26540, 41948, 52435, 104870, 209740, 13916249, 27832498, 55664996, 69581245, 139162490, 278324980]

約数ペア:

[(1, 278324980), (2, 139162490), (4, 69581245), (5, 55664996), (10, 27832498), (20, 13916249), (1327, 209740), (2654, 104870), (5308, 52435), (6635, 41948), (10487, 26540), (13270, 20974)]