200654840

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1\times {\mathrm{239}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 459648000

約数和(自身を除く): 258993160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 151, 239, 278, 302, 478, 556, 604, 695, 755, 956, 1112, 1195, 1208, 1390, 1510, 1912, 2390, 2780, 3020, 4780, 5560, 6040, 9560, 20989, 33221, 36089, 41978, 66442, 72178, 83956, 104945, 132884, 144356, 166105, 167912, 180445, 209890, 265768, 288712, 332210, 360890, 419780, 664420, 721780, 839560, 1328840, 1443560, 5016371, 10032742, 20065484, 25081855, 40130968, 50163710, 100327420, 200654840]

約数ペア:

[(1, 200654840), (2, 100327420), (4, 50163710), (5, 40130968), (8, 25081855), (10, 20065484), (20, 10032742), (40, 5016371), (139, 1443560), (151, 1328840), (239, 839560), (278, 721780), (302, 664420), (478, 419780), (556, 360890), (604, 332210), (695, 288712), (755, 265768), (956, 209890), (1112, 180445), (1195, 167912), (1208, 166105), (1390, 144356), (1510, 132884), (1912, 104945), (2390, 83956), (2780, 72178), (3020, 66442), (4780, 41978), (5560, 36089), (6040, 33221), (9560, 20989)]