209499960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{11717}}^1$

素因数の和:11880

約数の個数: 64

約数和(自身を含む): 632772000

約数和(自身を除く): 423272040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 149, 298, 447, 596, 745, 894, 1192, 1490, 1788, 2235, 2980, 3576, 4470, 5960, 8940, 11717, 17880, 23434, 35151, 46868, 58585, 70302, 93736, 117170, 140604, 175755, 234340, 281208, 351510, 468680, 703020, 1406040, 1745833, 3491666, 5237499, 6983332, 8729165, 10474998, 13966664, 17458330, 20949996, 26187495, 34916660, 41899992, 52374990, 69833320, 104749980, 209499960]

約数ペア:

[(1, 209499960), (2, 104749980), (3, 69833320), (4, 52374990), (5, 41899992), (6, 34916660), (8, 26187495), (10, 20949996), (12, 17458330), (15, 13966664), (20, 10474998), (24, 8729165), (30, 6983332), (40, 5237499), (60, 3491666), (120, 1745833), (149, 1406040), (298, 703020), (447, 468680), (596, 351510), (745, 281208), (894, 234340), (1192, 175755), (1490, 140604), (1788, 117170), (2235, 93736), (2980, 70302), (3576, 58585), (4470, 46868), (5960, 35151), (8940, 23434), (11717, 17880)]