90259460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{3739}}^1$

素因数の和:3836

約数の個数: 48

約数和(自身を含む): 203575680

約数和(自身を除く): 113316220

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 71, 85, 142, 170, 284, 340, 355, 710, 1207, 1420, 2414, 3739, 4828, 6035, 7478, 12070, 14956, 18695, 24140, 37390, 63563, 74780, 127126, 254252, 265469, 317815, 530938, 635630, 1061876, 1271260, 1327345, 2654690, 4512973, 5309380, 9025946, 18051892, 22564865, 45129730, 90259460]

約数ペア:

[(1, 90259460), (2, 45129730), (4, 22564865), (5, 18051892), (10, 9025946), (17, 5309380), (20, 4512973), (34, 2654690), (68, 1327345), (71, 1271260), (85, 1061876), (142, 635630), (170, 530938), (284, 317815), (340, 265469), (355, 254252), (710, 127126), (1207, 74780), (1420, 63563), (2414, 37390), (3739, 24140), (4828, 18695), (6035, 14956), (7478, 12070)]