149892020

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{787}}^1$

素因数の和:992

約数の個数: 48

約数和(自身を含む): 321693120

約数和(自身を除く): 171801100

約数列:

[1, 2, 4, 5, 10, 20, 89, 107, 178, 214, 356, 428, 445, 535, 787, 890, 1070, 1574, 1780, 2140, 3148, 3935, 7870, 9523, 15740, 19046, 38092, 47615, 70043, 84209, 95230, 140086, 168418, 190460, 280172, 336836, 350215, 421045, 700430, 842090, 1400860, 1684180, 7494601, 14989202, 29978404, 37473005, 74946010, 149892020]

約数ペア:

[(1, 149892020), (2, 74946010), (4, 37473005), (5, 29978404), (10, 14989202), (20, 7494601), (89, 1684180), (107, 1400860), (178, 842090), (214, 700430), (356, 421045), (428, 350215), (445, 336836), (535, 280172), (787, 190460), (890, 168418), (1070, 140086), (1574, 95230), (1780, 84209), (2140, 70043), (3148, 47615), (3935, 38092), (7870, 19046), (9523, 15740)]