285364220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{4463}}^1$

素因数の和:4634

約数の個数: 48

約数和(自身を含む): 629959680

約数和(自身を除く): 344595460

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 139, 230, 278, 460, 556, 695, 1390, 2780, 3197, 4463, 6394, 8926, 12788, 15985, 17852, 22315, 31970, 44630, 63940, 89260, 102649, 205298, 410596, 513245, 620357, 1026490, 1240714, 2052980, 2481428, 3101785, 6203570, 12407140, 14268211, 28536422, 57072844, 71341055, 142682110, 285364220]

約数ペア:

[(1, 285364220), (2, 142682110), (4, 71341055), (5, 57072844), (10, 28536422), (20, 14268211), (23, 12407140), (46, 6203570), (92, 3101785), (115, 2481428), (139, 2052980), (230, 1240714), (278, 1026490), (460, 620357), (556, 513245), (695, 410596), (1390, 205298), (2780, 102649), (3197, 89260), (4463, 63940), (6394, 44630), (8926, 31970), (12788, 22315), (15985, 17852)]