11827880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 28512000

約数和(自身を除く): 16684120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 79, 95, 152, 158, 190, 197, 316, 380, 394, 395, 632, 760, 788, 790, 985, 1501, 1576, 1580, 1970, 3002, 3160, 3743, 3940, 6004, 7486, 7505, 7880, 12008, 14972, 15010, 15563, 18715, 29944, 30020, 31126, 37430, 60040, 62252, 74860, 77815, 124504, 149720, 155630, 295697, 311260, 591394, 622520, 1182788, 1478485, 2365576, 2956970, 5913940, 11827880]

約数ペア:

[(1, 11827880), (2, 5913940), (4, 2956970), (5, 2365576), (8, 1478485), (10, 1182788), (19, 622520), (20, 591394), (38, 311260), (40, 295697), (76, 155630), (79, 149720), (95, 124504), (152, 77815), (158, 74860), (190, 62252), (197, 60040), (316, 37430), (380, 31126), (394, 30020), (395, 29944), (632, 18715), (760, 15563), (788, 15010), (790, 14972), (985, 12008), (1501, 7880), (1576, 7505), (1580, 7486), (1970, 6004), (3002, 3940), (3160, 3743)]