420123444

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{14879}}^1$

素因数の和:15080

約数の個数: 48

約数和(自身を含む): 1061598720

約数和(自身を除く): 641475276

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 181, 362, 543, 724, 1086, 2172, 2353, 4706, 7059, 9412, 14118, 14879, 28236, 29758, 44637, 59516, 89274, 178548, 193427, 386854, 580281, 773708, 1160562, 2321124, 2693099, 5386198, 8079297, 10772396, 16158594, 32317188, 35010287, 70020574, 105030861, 140041148, 210061722, 420123444]

約数ペア:

[(1, 420123444), (2, 210061722), (3, 140041148), (4, 105030861), (6, 70020574), (12, 35010287), (13, 32317188), (26, 16158594), (39, 10772396), (52, 8079297), (78, 5386198), (156, 2693099), (181, 2321124), (362, 1160562), (543, 773708), (724, 580281), (1086, 386854), (2172, 193427), (2353, 178548), (4706, 89274), (7059, 59516), (9412, 44637), (14118, 29758), (14879, 28236)]