29511860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2969}}^1$

素因数の和:3056

約数の個数: 48

約数和(自身を含む): 71850240

約数和(自身を除く): 42338380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 2969, 4970, 5938, 9940, 11876, 14845, 20783, 29690, 41566, 59380, 83132, 103915, 207830, 210799, 415660, 421598, 843196, 1053995, 1475593, 2107990, 2951186, 4215980, 5902372, 7377965, 14755930, 29511860]

約数ペア:

[(1, 29511860), (2, 14755930), (4, 7377965), (5, 5902372), (7, 4215980), (10, 2951186), (14, 2107990), (20, 1475593), (28, 1053995), (35, 843196), (70, 421598), (71, 415660), (140, 210799), (142, 207830), (284, 103915), (355, 83132), (497, 59380), (710, 41566), (994, 29690), (1420, 20783), (1988, 14845), (2485, 11876), (2969, 9940), (4970, 5938)]