8467460

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 18506880

約数和(自身を除く): 10039420

約数列:

[1, 2, 4, 5, 10, 20, 67, 71, 89, 134, 142, 178, 268, 284, 335, 355, 356, 445, 670, 710, 890, 1340, 1420, 1780, 4757, 5963, 6319, 9514, 11926, 12638, 19028, 23785, 23852, 25276, 29815, 31595, 47570, 59630, 63190, 95140, 119260, 126380, 423373, 846746, 1693492, 2116865, 4233730, 8467460]

約数ペア:

[(1, 8467460), (2, 4233730), (4, 2116865), (5, 1693492), (10, 846746), (20, 423373), (67, 126380), (71, 119260), (89, 95140), (134, 63190), (142, 59630), (178, 47570), (268, 31595), (284, 29815), (335, 25276), (355, 23852), (356, 23785), (445, 19028), (670, 12638), (710, 11926), (890, 9514), (1340, 6319), (1420, 5963), (1780, 4757)]