1388600

素因数分解:

$2^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 3314520

約数和(自身を除く): 1925920

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 131, 200, 212, 262, 265, 424, 524, 530, 655, 1048, 1060, 1310, 1325, 2120, 2620, 2650, 3275, 5240, 5300, 6550, 6943, 10600, 13100, 13886, 26200, 27772, 34715, 55544, 69430, 138860, 173575, 277720, 347150, 694300, 1388600]

約数ペア:

[(1, 1388600), (2, 694300), (4, 347150), (5, 277720), (8, 173575), (10, 138860), (20, 69430), (25, 55544), (40, 34715), (50, 27772), (53, 26200), (100, 13886), (106, 13100), (131, 10600), (200, 6943), (212, 6550), (262, 5300), (265, 5240), (424, 3275), (524, 2650), (530, 2620), (655, 2120), (1048, 1325), (1060, 1310)]