30281316

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{499}}^1$

素因数の和:908

約数の個数: 48

約数和(自身を含む): 76440000

約数和(自身を除く): 46158684

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 389, 499, 778, 998, 1167, 1497, 1556, 1996, 2334, 2994, 4668, 5057, 5988, 6487, 10114, 12974, 15171, 19461, 20228, 25948, 30342, 38922, 60684, 77844, 194111, 388222, 582333, 776444, 1164666, 2329332, 2523443, 5046886, 7570329, 10093772, 15140658, 30281316]

約数ペア:

[(1, 30281316), (2, 15140658), (3, 10093772), (4, 7570329), (6, 5046886), (12, 2523443), (13, 2329332), (26, 1164666), (39, 776444), (52, 582333), (78, 388222), (156, 194111), (389, 77844), (499, 60684), (778, 38922), (998, 30342), (1167, 25948), (1497, 20228), (1556, 19461), (1996, 15171), (2334, 12974), (2994, 10114), (4668, 6487), (5057, 5988)]