653380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 1693440

約数和(自身を除く): 1040060

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 359, 364, 455, 718, 910, 1436, 1795, 1820, 2513, 3590, 4667, 5026, 7180, 9334, 10052, 12565, 18668, 23335, 25130, 32669, 46670, 50260, 65338, 93340, 130676, 163345, 326690, 653380]

約数ペア:

[(1, 653380), (2, 326690), (4, 163345), (5, 130676), (7, 93340), (10, 65338), (13, 50260), (14, 46670), (20, 32669), (26, 25130), (28, 23335), (35, 18668), (52, 12565), (65, 10052), (70, 9334), (91, 7180), (130, 5026), (140, 4667), (182, 3590), (260, 2513), (359, 1820), (364, 1795), (455, 1436), (718, 910)]