2018940550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{15359}}^1$

素因数の和:15621

約数の個数: 48

約数和(自身を含む): 4114022400

約数和(自身を除く): 2095081850

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 239, 275, 478, 550, 1195, 2390, 2629, 5258, 5975, 11950, 13145, 15359, 26290, 30718, 65725, 76795, 131450, 153590, 168949, 337898, 383975, 767950, 844745, 1689490, 3670801, 4223725, 7341602, 8447450, 18354005, 36708010, 40378811, 80757622, 91770025, 183540050, 201894055, 403788110, 1009470275, 2018940550]

約数ペア:

[(1, 2018940550), (2, 1009470275), (5, 403788110), (10, 201894055), (11, 183540050), (22, 91770025), (25, 80757622), (50, 40378811), (55, 36708010), (110, 18354005), (239, 8447450), (275, 7341602), (478, 4223725), (550, 3670801), (1195, 1689490), (2390, 844745), (2629, 767950), (5258, 383975), (5975, 337898), (11950, 168949), (13145, 153590), (15359, 131450), (26290, 76795), (30718, 65725)]