189455440

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{32441}}^1$

素因数の和:32527

約数の個数: 40

約数和(自身を含む): 446531688

約数和(自身を除く): 257076248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 32441, 64882, 129764, 162205, 259528, 324410, 519056, 648820, 1297640, 2368193, 2595280, 4736386, 9472772, 11840965, 18945544, 23681930, 37891088, 47363860, 94727720, 189455440]

約数ペア:

[(1, 189455440), (2, 94727720), (4, 47363860), (5, 37891088), (8, 23681930), (10, 18945544), (16, 11840965), (20, 9472772), (40, 4736386), (73, 2595280), (80, 2368193), (146, 1297640), (292, 648820), (365, 519056), (584, 324410), (730, 259528), (1168, 162205), (1460, 129764), (2920, 64882), (5840, 32441)]