198719020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{2269}}^1$

素因数の和:2458

約数の個数: 48

約数和(自身を含む): 434750400

約数和(自身を除く): 236031380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 151, 290, 302, 580, 604, 755, 1510, 2269, 3020, 4379, 4538, 8758, 9076, 11345, 17516, 21895, 22690, 43790, 45380, 65801, 87580, 131602, 263204, 329005, 342619, 658010, 685238, 1316020, 1370476, 1713095, 3426190, 6852380, 9935951, 19871902, 39743804, 49679755, 99359510, 198719020]

約数ペア:

[(1, 198719020), (2, 99359510), (4, 49679755), (5, 39743804), (10, 19871902), (20, 9935951), (29, 6852380), (58, 3426190), (116, 1713095), (145, 1370476), (151, 1316020), (290, 685238), (302, 658010), (580, 342619), (604, 329005), (755, 263204), (1510, 131602), (2269, 87580), (3020, 65801), (4379, 45380), (4538, 43790), (8758, 22690), (9076, 21895), (11345, 17516)]