140187040

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{17881}}^1$

素因数の和:17910

約数の個数: 72

約数和(自身を含む): 385285572

約数和(自身を除く): 245098532

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 17881, 35762, 71524, 89405, 125167, 143048, 178810, 250334, 286096, 357620, 500668, 572192, 625835, 715240, 876169, 1001336, 1251670, 1430480, 1752338, 2002672, 2503340, 2860960, 3504676, 4005344, 4380845, 5006680, 7009352, 8761690, 10013360, 14018704, 17523380, 20026720, 28037408, 35046760, 70093520, 140187040]

約数ペア:

[(1, 140187040), (2, 70093520), (4, 35046760), (5, 28037408), (7, 20026720), (8, 17523380), (10, 14018704), (14, 10013360), (16, 8761690), (20, 7009352), (28, 5006680), (32, 4380845), (35, 4005344), (40, 3504676), (49, 2860960), (56, 2503340), (70, 2002672), (80, 1752338), (98, 1430480), (112, 1251670), (140, 1001336), (160, 876169), (196, 715240), (224, 625835), (245, 572192), (280, 500668), (392, 357620), (490, 286096), (560, 250334), (784, 178810), (980, 143048), (1120, 125167), (1568, 89405), (1960, 71524), (3920, 35762), (7840, 17881)]