270215225

素因数分解:

$5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 396105600

約数和(自身を除く): 125890375

約数列:

[1, 5, 7, 25, 35, 43, 149, 175, 215, 241, 301, 745, 1043, 1075, 1205, 1505, 1687, 3725, 5215, 6025, 6407, 7525, 8435, 10363, 26075, 32035, 35909, 42175, 44849, 51815, 72541, 160175, 179545, 224245, 251363, 259075, 362705, 897725, 1121225, 1256815, 1544087, 1813525, 6284075, 7720435, 10808609, 38602175, 54043045, 270215225]

約数ペア:

[(1, 270215225), (5, 54043045), (7, 38602175), (25, 10808609), (35, 7720435), (43, 6284075), (149, 1813525), (175, 1544087), (215, 1256815), (241, 1121225), (301, 897725), (745, 362705), (1043, 259075), (1075, 251363), (1205, 224245), (1505, 179545), (1687, 160175), (3725, 72541), (5215, 51815), (6025, 44849), (6407, 42175), (7525, 35909), (8435, 32035), (10363, 26075)]