78463420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{2131}}^1$

素因数の和:2410

約数の個数: 48

約数和(自身を含む): 189116928

約数和(自身を除く): 110653508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 263, 526, 1052, 1315, 1841, 2131, 2630, 3682, 4262, 5260, 7364, 8524, 9205, 10655, 14917, 18410, 21310, 29834, 36820, 42620, 59668, 74585, 149170, 298340, 560453, 1120906, 2241812, 2802265, 3923171, 5604530, 7846342, 11209060, 15692684, 19615855, 39231710, 78463420]

約数ペア:

[(1, 78463420), (2, 39231710), (4, 19615855), (5, 15692684), (7, 11209060), (10, 7846342), (14, 5604530), (20, 3923171), (28, 2802265), (35, 2241812), (70, 1120906), (140, 560453), (263, 298340), (526, 149170), (1052, 74585), (1315, 59668), (1841, 42620), (2131, 36820), (2630, 29834), (3682, 21310), (4262, 18410), (5260, 14917), (7364, 10655), (8524, 9205)]