199396980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{739}}^1\times {\mathrm{1499}}^1$

素因数の和:2253

約数の個数: 72

約数和(自身を含む): 606060000

約数和(自身を除く): 406663020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 739, 1478, 1499, 2217, 2956, 2998, 3695, 4434, 4497, 5996, 6651, 7390, 7495, 8868, 8994, 11085, 13302, 13491, 14780, 14990, 17988, 22170, 22485, 26604, 26982, 29980, 33255, 44340, 44970, 53964, 66510, 67455, 89940, 133020, 134910, 269820, 1107761, 2215522, 3323283, 4431044, 5538805, 6646566, 9969849, 11077610, 13293132, 16616415, 19939698, 22155220, 33232830, 39879396, 49849245, 66465660, 99698490, 199396980]

約数ペア:

[(1, 199396980), (2, 99698490), (3, 66465660), (4, 49849245), (5, 39879396), (6, 33232830), (9, 22155220), (10, 19939698), (12, 16616415), (15, 13293132), (18, 11077610), (20, 9969849), (30, 6646566), (36, 5538805), (45, 4431044), (60, 3323283), (90, 2215522), (180, 1107761), (739, 269820), (1478, 134910), (1499, 133020), (2217, 89940), (2956, 67455), (2998, 66510), (3695, 53964), (4434, 44970), (4497, 44340), (5996, 33255), (6651, 29980), (7390, 26982), (7495, 26604), (8868, 22485), (8994, 22170), (11085, 17988), (13302, 14990), (13491, 14780)]