278972070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{715313}}^1$

素因数の和:715336

約数の個数: 32

約数和(自身を含む): 721036512

約数和(自身を除く): 442064442

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 715313, 1430626, 2145939, 3576565, 4291878, 7153130, 9299069, 10729695, 18598138, 21459390, 27897207, 46495345, 55794414, 92990690, 139486035, 278972070]

約数ペア:

[(1, 278972070), (2, 139486035), (3, 92990690), (5, 55794414), (6, 46495345), (10, 27897207), (13, 21459390), (15, 18598138), (26, 10729695), (30, 9299069), (39, 7153130), (65, 4291878), (78, 3576565), (130, 2145939), (195, 1430626), (390, 715313)]