169261240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{136501}}^1$

素因数の和:136543

約数の個数: 32

約数和(自身を含む): 393125760

約数和(自身を除く): 223864520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 136501, 273002, 546004, 682505, 1092008, 1365010, 2730020, 4231531, 5460040, 8463062, 16926124, 21157655, 33852248, 42315310, 84630620, 169261240]

約数ペア:

[(1, 169261240), (2, 84630620), (4, 42315310), (5, 33852248), (8, 21157655), (10, 16926124), (20, 8463062), (31, 5460040), (40, 4231531), (62, 2730020), (124, 1365010), (155, 1092008), (248, 682505), (310, 546004), (620, 273002), (1240, 136501)]