163663340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{2579}}^1$

素因数の和:2774

約数の個数: 48

約数和(自身を含む): 364089600

約数和(自身を除く): 200426260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 167, 190, 334, 380, 668, 835, 1670, 2579, 3173, 3340, 5158, 6346, 10316, 12692, 12895, 15865, 25790, 31730, 49001, 51580, 63460, 98002, 196004, 245005, 430693, 490010, 861386, 980020, 1722772, 2153465, 4306930, 8183167, 8613860, 16366334, 32732668, 40915835, 81831670, 163663340]

約数ペア:

[(1, 163663340), (2, 81831670), (4, 40915835), (5, 32732668), (10, 16366334), (19, 8613860), (20, 8183167), (38, 4306930), (76, 2153465), (95, 1722772), (167, 980020), (190, 861386), (334, 490010), (380, 430693), (668, 245005), (835, 196004), (1670, 98002), (2579, 63460), (3173, 51580), (3340, 49001), (5158, 31730), (6346, 25790), (10316, 15865), (12692, 12895)]