138675040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{123817}}^1$

素因数の和:123839

約数の個数: 48

約数和(自身を含む): 374425632

約数和(自身を除く): 235750592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 123817, 247634, 495268, 619085, 866719, 990536, 1238170, 1733438, 1981072, 2476340, 3466876, 3962144, 4333595, 4952680, 6933752, 8667190, 9905360, 13867504, 17334380, 19810720, 27735008, 34668760, 69337520, 138675040]

約数ペア:

[(1, 138675040), (2, 69337520), (4, 34668760), (5, 27735008), (7, 19810720), (8, 17334380), (10, 13867504), (14, 9905360), (16, 8667190), (20, 6933752), (28, 4952680), (32, 4333595), (35, 3962144), (40, 3466876), (56, 2476340), (70, 1981072), (80, 1733438), (112, 1238170), (140, 990536), (160, 866719), (224, 619085), (280, 495268), (560, 247634), (1120, 123817)]