204519860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{2053}}^1$

素因数の和:2372

約数の個数: 48

約数和(自身を含む): 456530256

約数和(自身を除く): 252010396

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 293, 340, 586, 1172, 1465, 2053, 2930, 4106, 4981, 5860, 8212, 9962, 10265, 19924, 20530, 24905, 34901, 41060, 49810, 69802, 99620, 139604, 174505, 349010, 601529, 698020, 1203058, 2406116, 3007645, 6015290, 10225993, 12030580, 20451986, 40903972, 51129965, 102259930, 204519860]

約数ペア:

[(1, 204519860), (2, 102259930), (4, 51129965), (5, 40903972), (10, 20451986), (17, 12030580), (20, 10225993), (34, 6015290), (68, 3007645), (85, 2406116), (170, 1203058), (293, 698020), (340, 601529), (586, 349010), (1172, 174505), (1465, 139604), (2053, 99620), (2930, 69802), (4106, 49810), (4981, 41060), (5860, 34901), (8212, 24905), (9962, 20530), (10265, 19924)]