398718060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{511177}}^1$

素因数の和:511202

約数の個数: 48

約数和(自身を含む): 1202290656

約数和(自身を除く): 803572596

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 511177, 1022354, 1533531, 2044708, 2555885, 3067062, 5111770, 6134124, 6645301, 7667655, 10223540, 13290602, 15335310, 19935903, 26581204, 30670620, 33226505, 39871806, 66453010, 79743612, 99679515, 132906020, 199359030, 398718060]

約数ペア:

[(1, 398718060), (2, 199359030), (3, 132906020), (4, 99679515), (5, 79743612), (6, 66453010), (10, 39871806), (12, 33226505), (13, 30670620), (15, 26581204), (20, 19935903), (26, 15335310), (30, 13290602), (39, 10223540), (52, 7667655), (60, 6645301), (65, 6134124), (78, 5111770), (130, 3067062), (156, 2555885), (195, 2044708), (260, 1533531), (390, 1022354), (780, 511177)]