155008400

素因数分解:

$2^4\times 5^2\times {\mathrm{181}}^1\times {\mathrm{2141}}^1$

素因数の和:2340

約数の個数: 60

約数和(自身を含む): 374640084

約数和(自身を除く): 219631684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 181, 200, 362, 400, 724, 905, 1448, 1810, 2141, 2896, 3620, 4282, 4525, 7240, 8564, 9050, 10705, 14480, 17128, 18100, 21410, 34256, 36200, 42820, 53525, 72400, 85640, 107050, 171280, 214100, 387521, 428200, 775042, 856400, 1550084, 1937605, 3100168, 3875210, 6200336, 7750420, 9688025, 15500840, 19376050, 31001680, 38752100, 77504200, 155008400]

約数ペア:

[(1, 155008400), (2, 77504200), (4, 38752100), (5, 31001680), (8, 19376050), (10, 15500840), (16, 9688025), (20, 7750420), (25, 6200336), (40, 3875210), (50, 3100168), (80, 1937605), (100, 1550084), (181, 856400), (200, 775042), (362, 428200), (400, 387521), (724, 214100), (905, 171280), (1448, 107050), (1810, 85640), (2141, 72400), (2896, 53525), (3620, 42820), (4282, 36200), (4525, 34256), (7240, 21410), (8564, 18100), (9050, 17128), (10705, 14480)]