63937220

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 137121600

約数和(自身を除く): 73184380

約数列:

[1, 2, 4, 5, 10, 20, 109, 139, 211, 218, 278, 422, 436, 545, 556, 695, 844, 1055, 1090, 1390, 2110, 2180, 2780, 4220, 15151, 22999, 29329, 30302, 45998, 58658, 60604, 75755, 91996, 114995, 117316, 146645, 151510, 229990, 293290, 303020, 459980, 586580, 3196861, 6393722, 12787444, 15984305, 31968610, 63937220]

約数ペア:

[(1, 63937220), (2, 31968610), (4, 15984305), (5, 12787444), (10, 6393722), (20, 3196861), (109, 586580), (139, 459980), (211, 303020), (218, 293290), (278, 229990), (422, 151510), (436, 146645), (545, 117316), (556, 114995), (695, 91996), (844, 75755), (1055, 60604), (1090, 58658), (1390, 45998), (2110, 30302), (2180, 29329), (2780, 22999), (4220, 15151)]