813236450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{157}}^1\times {\mathrm{613}}^1$

素因数の和:808

約数の個数: 72

約数和(自身を含む): 1651047228

約数和(自身を除く): 837810778

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 157, 169, 314, 325, 338, 613, 650, 785, 845, 1226, 1570, 1690, 2041, 3065, 3925, 4082, 4225, 6130, 7850, 7969, 8450, 10205, 15325, 15938, 20410, 26533, 30650, 39845, 51025, 53066, 79690, 96241, 102050, 103597, 132665, 192482, 199225, 207194, 265330, 398450, 481205, 517985, 663325, 962410, 1035970, 1251133, 1326650, 2406025, 2502266, 2589925, 4812050, 5179850, 6255665, 12511330, 16264729, 31278325, 32529458, 62556650, 81323645, 162647290, 406618225, 813236450]

約数ペア:

[(1, 813236450), (2, 406618225), (5, 162647290), (10, 81323645), (13, 62556650), (25, 32529458), (26, 31278325), (50, 16264729), (65, 12511330), (130, 6255665), (157, 5179850), (169, 4812050), (314, 2589925), (325, 2502266), (338, 2406025), (613, 1326650), (650, 1251133), (785, 1035970), (845, 962410), (1226, 663325), (1570, 517985), (1690, 481205), (2041, 398450), (3065, 265330), (3925, 207194), (4082, 199225), (4225, 192482), (6130, 132665), (7850, 103597), (7969, 102050), (8450, 96241), (10205, 79690), (15325, 53066), (15938, 51025), (20410, 39845), (26533, 30650)]