289063420

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1\times {\mathrm{1231}}^1$

素因数の和:1498

約数の個数: 48

約数和(自身を含む): 620928000

約数和(自身を除く): 331864580

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 199, 236, 295, 398, 590, 796, 995, 1180, 1231, 1990, 2462, 3980, 4924, 6155, 11741, 12310, 23482, 24620, 46964, 58705, 72629, 117410, 145258, 234820, 244969, 290516, 363145, 489938, 726290, 979876, 1224845, 1452580, 2449690, 4899380, 14453171, 28906342, 57812684, 72265855, 144531710, 289063420]

約数ペア:

[(1, 289063420), (2, 144531710), (4, 72265855), (5, 57812684), (10, 28906342), (20, 14453171), (59, 4899380), (118, 2449690), (199, 1452580), (236, 1224845), (295, 979876), (398, 726290), (590, 489938), (796, 363145), (995, 290516), (1180, 244969), (1231, 234820), (1990, 145258), (2462, 117410), (3980, 72629), (4924, 58705), (6155, 46964), (11741, 24620), (12310, 23482)]