163184980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{16417}}^1$

素因数の和:16504

約数の個数: 48

約数和(自身を含む): 397184256

約数和(自身を除く): 233999276

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, 4970, 9940, 16417, 32834, 65668, 82085, 114919, 164170, 229838, 328340, 459676, 574595, 1149190, 1165607, 2298380, 2331214, 4662428, 5828035, 8159249, 11656070, 16318498, 23312140, 32636996, 40796245, 81592490, 163184980]

約数ペア:

[(1, 163184980), (2, 81592490), (4, 40796245), (5, 32636996), (7, 23312140), (10, 16318498), (14, 11656070), (20, 8159249), (28, 5828035), (35, 4662428), (70, 2331214), (71, 2298380), (140, 1165607), (142, 1149190), (284, 574595), (355, 459676), (497, 328340), (710, 229838), (994, 164170), (1420, 114919), (1988, 82085), (2485, 65668), (4970, 32834), (9940, 16417)]