9765980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{883}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 23761920

約数和(自身を除く): 13995940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 883, 1106, 1580, 1766, 2212, 2765, 3532, 4415, 5530, 6181, 8830, 11060, 12362, 17660, 24724, 30905, 61810, 69757, 123620, 139514, 279028, 348785, 488299, 697570, 976598, 1395140, 1953196, 2441495, 4882990, 9765980]

約数ペア:

[(1, 9765980), (2, 4882990), (4, 2441495), (5, 1953196), (7, 1395140), (10, 976598), (14, 697570), (20, 488299), (28, 348785), (35, 279028), (70, 139514), (79, 123620), (140, 69757), (158, 61810), (316, 30905), (395, 24724), (553, 17660), (790, 12362), (883, 11060), (1106, 8830), (1580, 6181), (1766, 5530), (2212, 4415), (2765, 3532)]