202438730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1999}}^1$

素因数の和:2079

約数の個数: 64

約数和(自身を含む): 423360000

約数和(自身を除く): 220921270

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 41, 65, 82, 95, 130, 190, 205, 247, 410, 494, 533, 779, 1066, 1235, 1558, 1999, 2470, 2665, 3895, 3998, 5330, 7790, 9995, 10127, 19990, 20254, 25987, 37981, 50635, 51974, 75962, 81959, 101270, 129935, 163918, 189905, 259870, 379810, 409795, 493753, 819590, 987506, 1065467, 1557221, 2130934, 2468765, 3114442, 4937530, 5327335, 7786105, 10654670, 15572210, 20243873, 40487746, 101219365, 202438730]

約数ペア:

[(1, 202438730), (2, 101219365), (5, 40487746), (10, 20243873), (13, 15572210), (19, 10654670), (26, 7786105), (38, 5327335), (41, 4937530), (65, 3114442), (82, 2468765), (95, 2130934), (130, 1557221), (190, 1065467), (205, 987506), (247, 819590), (410, 493753), (494, 409795), (533, 379810), (779, 259870), (1066, 189905), (1235, 163918), (1558, 129935), (1999, 101270), (2470, 81959), (2665, 75962), (3895, 51974), (3998, 50635), (5330, 37981), (7790, 25987), (9995, 20254), (10127, 19990)]