198195440

素因数分解:

$2^4\times 5^1\times {\mathrm{1423}}^1\times {\mathrm{1741}}^1$

素因数の和:3177

約数の個数: 40

約数和(自身を含む): 461393088

約数和(自身を除く): 263197648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1423, 1741, 2846, 3482, 5692, 6964, 7115, 8705, 11384, 13928, 14230, 17410, 22768, 27856, 28460, 34820, 56920, 69640, 113840, 139280, 2477443, 4954886, 9909772, 12387215, 19819544, 24774430, 39639088, 49548860, 99097720, 198195440]

約数ペア:

[(1, 198195440), (2, 99097720), (4, 49548860), (5, 39639088), (8, 24774430), (10, 19819544), (16, 12387215), (20, 9909772), (40, 4954886), (80, 2477443), (1423, 139280), (1741, 113840), (2846, 69640), (3482, 56920), (5692, 34820), (6964, 28460), (7115, 27856), (8705, 22768), (11384, 17410), (13928, 14230)]