1489525360

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{209203}}^1$

素因数の和:209305

約数の個数: 40

約数和(自身を含む): 3502074960

約数和(自身を除く): 2012549600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 209203, 418406, 836812, 1046015, 1673624, 2092030, 3347248, 4184060, 8368120, 16736240, 18619067, 37238134, 74476268, 93095335, 148952536, 186190670, 297905072, 372381340, 744762680, 1489525360]

約数ペア:

[(1, 1489525360), (2, 744762680), (4, 372381340), (5, 297905072), (8, 186190670), (10, 148952536), (16, 93095335), (20, 74476268), (40, 37238134), (80, 18619067), (89, 16736240), (178, 8368120), (356, 4184060), (445, 3347248), (712, 2092030), (890, 1673624), (1424, 1046015), (1780, 836812), (3560, 418406), (7120, 209203)]