1900871830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{78193}}^1$

素因数の和:78241

約数の個数: 64

約数和(自身を含む): 4256255808

約数和(自身を除く): 2355383978

約数列:

[1, 2, 5, 10, 11, 13, 17, 22, 26, 34, 55, 65, 85, 110, 130, 143, 170, 187, 221, 286, 374, 442, 715, 935, 1105, 1430, 1870, 2210, 2431, 4862, 12155, 24310, 78193, 156386, 390965, 781930, 860123, 1016509, 1329281, 1720246, 2033018, 2658562, 4300615, 5082545, 6646405, 8601230, 10165090, 11181599, 13292810, 14622091, 17280653, 22363198, 29244182, 34561306, 55907995, 73110455, 86403265, 111815990, 146220910, 172806530, 190087183, 380174366, 950435915, 1900871830]

約数ペア:

[(1, 1900871830), (2, 950435915), (5, 380174366), (10, 190087183), (11, 172806530), (13, 146220910), (17, 111815990), (22, 86403265), (26, 73110455), (34, 55907995), (55, 34561306), (65, 29244182), (85, 22363198), (110, 17280653), (130, 14622091), (143, 13292810), (170, 11181599), (187, 10165090), (221, 8601230), (286, 6646405), (374, 5082545), (442, 4300615), (715, 2658562), (935, 2033018), (1105, 1720246), (1430, 1329281), (1870, 1016509), (2210, 860123), (2431, 781930), (4862, 390965), (12155, 156386), (24310, 78193)]