636612980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{2969}}^1$

素因数の和:3200

約数の個数: 48

約数和(自身を含む): 1365154560

約数和(自身を除く): 728541580

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 151, 284, 302, 355, 604, 710, 755, 1420, 1510, 2969, 3020, 5938, 10721, 11876, 14845, 21442, 29690, 42884, 53605, 59380, 107210, 210799, 214420, 421598, 448319, 843196, 896638, 1053995, 1793276, 2107990, 2241595, 4215980, 4483190, 8966380, 31830649, 63661298, 127322596, 159153245, 318306490, 636612980]

約数ペア:

[(1, 636612980), (2, 318306490), (4, 159153245), (5, 127322596), (10, 63661298), (20, 31830649), (71, 8966380), (142, 4483190), (151, 4215980), (284, 2241595), (302, 2107990), (355, 1793276), (604, 1053995), (710, 896638), (755, 843196), (1420, 448319), (1510, 421598), (2969, 214420), (3020, 210799), (5938, 107210), (10721, 59380), (11876, 53605), (14845, 42884), (21442, 29690)]