400222212

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{20201}}^1$

素因数の和:20348

約数の個数: 48

約数和(自身を含む): 1013655552

約数和(自身を除く): 613433340

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 127, 156, 254, 381, 508, 762, 1524, 1651, 3302, 4953, 6604, 9906, 19812, 20201, 40402, 60603, 80804, 121206, 242412, 262613, 525226, 787839, 1050452, 1575678, 2565527, 3151356, 5131054, 7696581, 10262108, 15393162, 30786324, 33351851, 66703702, 100055553, 133407404, 200111106, 400222212]

約数ペア:

[(1, 400222212), (2, 200111106), (3, 133407404), (4, 100055553), (6, 66703702), (12, 33351851), (13, 30786324), (26, 15393162), (39, 10262108), (52, 7696581), (78, 5131054), (127, 3151356), (156, 2565527), (254, 1575678), (381, 1050452), (508, 787839), (762, 525226), (1524, 262613), (1651, 242412), (3302, 121206), (4953, 80804), (6604, 60603), (9906, 40402), (19812, 20201)]