672968980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{83}}^1\times {\mathrm{1123}}^1$

素因数の和:1253

約数の個数: 72

約数和(自身を含む): 1510844832

約数和(自身を除く): 837875852

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 83, 95, 166, 190, 332, 361, 380, 415, 722, 830, 1123, 1444, 1577, 1660, 1805, 2246, 3154, 3610, 4492, 5615, 6308, 7220, 7885, 11230, 15770, 21337, 22460, 29963, 31540, 42674, 59926, 85348, 93209, 106685, 119852, 149815, 186418, 213370, 299630, 372836, 405403, 426740, 466045, 599260, 810806, 932090, 1621612, 1770971, 1864180, 2027015, 3541942, 4054030, 7083884, 8108060, 8854855, 17709710, 33648449, 35419420, 67296898, 134593796, 168242245, 336484490, 672968980]

約数ペア:

[(1, 672968980), (2, 336484490), (4, 168242245), (5, 134593796), (10, 67296898), (19, 35419420), (20, 33648449), (38, 17709710), (76, 8854855), (83, 8108060), (95, 7083884), (166, 4054030), (190, 3541942), (332, 2027015), (361, 1864180), (380, 1770971), (415, 1621612), (722, 932090), (830, 810806), (1123, 599260), (1444, 466045), (1577, 426740), (1660, 405403), (1805, 372836), (2246, 299630), (3154, 213370), (3610, 186418), (4492, 149815), (5615, 119852), (6308, 106685), (7220, 93209), (7885, 85348), (11230, 59926), (15770, 42674), (21337, 31540), (22460, 29963)]