199918920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{18719}}^1$

素因数の和:18822

約数の個数: 64

約数和(自身を含む): 606528000

約数和(自身を除く): 406609080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 89, 120, 178, 267, 356, 445, 534, 712, 890, 1068, 1335, 1780, 2136, 2670, 3560, 5340, 10680, 18719, 37438, 56157, 74876, 93595, 112314, 149752, 187190, 224628, 280785, 374380, 449256, 561570, 748760, 1123140, 1665991, 2246280, 3331982, 4997973, 6663964, 8329955, 9995946, 13327928, 16659910, 19991892, 24989865, 33319820, 39983784, 49979730, 66639640, 99959460, 199918920]

約数ペア:

[(1, 199918920), (2, 99959460), (3, 66639640), (4, 49979730), (5, 39983784), (6, 33319820), (8, 24989865), (10, 19991892), (12, 16659910), (15, 13327928), (20, 9995946), (24, 8329955), (30, 6663964), (40, 4997973), (60, 3331982), (89, 2246280), (120, 1665991), (178, 1123140), (267, 748760), (356, 561570), (445, 449256), (534, 374380), (712, 280785), (890, 224628), (1068, 187190), (1335, 149752), (1780, 112314), (2136, 93595), (2670, 74876), (3560, 56157), (5340, 37438), (10680, 18719)]