163936780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{68881}}^1$

素因数の和:68914

約数の個数: 48

約数和(自身を含む): 416598336

約数和(自身を除く): 252661556

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 68881, 137762, 275524, 344405, 482167, 688810, 964334, 1170977, 1377620, 1928668, 2341954, 2410835, 4683908, 4821670, 5854885, 8196839, 9643340, 11709770, 16393678, 23419540, 32787356, 40984195, 81968390, 163936780]

約数ペア:

[(1, 163936780), (2, 81968390), (4, 40984195), (5, 32787356), (7, 23419540), (10, 16393678), (14, 11709770), (17, 9643340), (20, 8196839), (28, 5854885), (34, 4821670), (35, 4683908), (68, 2410835), (70, 2341954), (85, 1928668), (119, 1377620), (140, 1170977), (170, 964334), (238, 688810), (340, 482167), (476, 344405), (595, 275524), (1190, 137762), (2380, 68881)]