775278320

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{99907}}^1$

素因数の和:100017

約数の個数: 40

約数和(自身を含む): 1821123024

約数和(自身を除く): 1045844704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 99907, 199814, 399628, 499535, 799256, 999070, 1598512, 1998140, 3996280, 7992560, 9690979, 19381958, 38763916, 48454895, 77527832, 96909790, 155055664, 193819580, 387639160, 775278320]

約数ペア:

[(1, 775278320), (2, 387639160), (4, 193819580), (5, 155055664), (8, 96909790), (10, 77527832), (16, 48454895), (20, 38763916), (40, 19381958), (80, 9690979), (97, 7992560), (194, 3996280), (388, 1998140), (485, 1598512), (776, 999070), (970, 799256), (1552, 499535), (1940, 399628), (3880, 199814), (7760, 99907)]