121745820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{289871}}^1$

素因数の和:289890

約数の個数: 48

約数和(自身を含む): 389587968

約数和(自身を除く): 267842148

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 289871, 579742, 869613, 1159484, 1449355, 1739226, 2029097, 2898710, 3478452, 4058194, 4348065, 5797420, 6087291, 8116388, 8696130, 10145485, 12174582, 17392260, 20290970, 24349164, 30436455, 40581940, 60872910, 121745820]

約数ペア:

[(1, 121745820), (2, 60872910), (3, 40581940), (4, 30436455), (5, 24349164), (6, 20290970), (7, 17392260), (10, 12174582), (12, 10145485), (14, 8696130), (15, 8116388), (20, 6087291), (21, 5797420), (28, 4348065), (30, 4058194), (35, 3478452), (42, 2898710), (60, 2029097), (70, 1739226), (84, 1449355), (105, 1159484), (140, 869613), (210, 579742), (420, 289871)]