155578400

素因数分解:

$2^5\times 5^2\times {\mathrm{113}}^1\times {\mathrm{1721}}^1$

素因数の和:1854

約数の個数: 72

約数和(自身を含む): 383389524

約数和(自身を除く): 227811124

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 113, 160, 200, 226, 400, 452, 565, 800, 904, 1130, 1721, 1808, 2260, 2825, 3442, 3616, 4520, 5650, 6884, 8605, 9040, 11300, 13768, 17210, 18080, 22600, 27536, 34420, 43025, 45200, 55072, 68840, 86050, 90400, 137680, 172100, 194473, 275360, 344200, 388946, 688400, 777892, 972365, 1376800, 1555784, 1944730, 3111568, 3889460, 4861825, 6223136, 7778920, 9723650, 15557840, 19447300, 31115680, 38894600, 77789200, 155578400]

約数ペア:

[(1, 155578400), (2, 77789200), (4, 38894600), (5, 31115680), (8, 19447300), (10, 15557840), (16, 9723650), (20, 7778920), (25, 6223136), (32, 4861825), (40, 3889460), (50, 3111568), (80, 1944730), (100, 1555784), (113, 1376800), (160, 972365), (200, 777892), (226, 688400), (400, 388946), (452, 344200), (565, 275360), (800, 194473), (904, 172100), (1130, 137680), (1721, 90400), (1808, 86050), (2260, 68840), (2825, 55072), (3442, 45200), (3616, 43025), (4520, 34420), (5650, 27536), (6884, 22600), (8605, 18080), (9040, 17210), (11300, 13768)]