317273450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{3109}}^1$

素因数の和:3291

約数の個数: 48

約数和(自身を含む): 639776760

約数和(自身を除く): 322503310

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 157, 314, 325, 650, 785, 1570, 2041, 3109, 3925, 4082, 6218, 7850, 10205, 15545, 20410, 31090, 40417, 51025, 77725, 80834, 102050, 155450, 202085, 404170, 488113, 976226, 1010425, 2020850, 2440565, 4881130, 6345469, 12202825, 12690938, 24405650, 31727345, 63454690, 158636725, 317273450]

約数ペア:

[(1, 317273450), (2, 158636725), (5, 63454690), (10, 31727345), (13, 24405650), (25, 12690938), (26, 12202825), (50, 6345469), (65, 4881130), (130, 2440565), (157, 2020850), (314, 1010425), (325, 976226), (650, 488113), (785, 404170), (1570, 202085), (2041, 155450), (3109, 102050), (3925, 80834), (4082, 77725), (6218, 51025), (7850, 40417), (10205, 31090), (15545, 20410)]