201427910

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:665

約数の個数: 48

約数和(自身を含む): 384926256

約数和(自身を除く): 183498346

約数列:

[1, 2, 5, 10, 29, 43, 58, 86, 145, 215, 290, 430, 557, 841, 1114, 1247, 1682, 2494, 2785, 4205, 5570, 6235, 8410, 12470, 16153, 23951, 32306, 36163, 47902, 72326, 80765, 119755, 161530, 180815, 239510, 361630, 468437, 694579, 936874, 1389158, 2342185, 3472895, 4684370, 6945790, 20142791, 40285582, 100713955, 201427910]

約数ペア:

[(1, 201427910), (2, 100713955), (5, 40285582), (10, 20142791), (29, 6945790), (43, 4684370), (58, 3472895), (86, 2342185), (145, 1389158), (215, 936874), (290, 694579), (430, 468437), (557, 361630), (841, 239510), (1114, 180815), (1247, 161530), (1682, 119755), (2494, 80765), (2785, 72326), (4205, 47902), (5570, 36163), (6235, 32306), (8410, 23951), (12470, 16153)]