778821140

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1\times {\mathrm{4517}}^1$

素因数の和:4796

約数の個数: 48

約数和(自身を含む): 1687310352

約数和(自身を除く): 908489212

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 233, 370, 466, 740, 932, 1165, 2330, 4517, 4660, 8621, 9034, 17242, 18068, 22585, 34484, 43105, 45170, 86210, 90340, 167129, 172420, 334258, 668516, 835645, 1052461, 1671290, 2104922, 3342580, 4209844, 5262305, 10524610, 21049220, 38941057, 77882114, 155764228, 194705285, 389410570, 778821140]

約数ペア:

[(1, 778821140), (2, 389410570), (4, 194705285), (5, 155764228), (10, 77882114), (20, 38941057), (37, 21049220), (74, 10524610), (148, 5262305), (185, 4209844), (233, 3342580), (370, 2104922), (466, 1671290), (740, 1052461), (932, 835645), (1165, 668516), (2330, 334258), (4517, 172420), (4660, 167129), (8621, 90340), (9034, 86210), (17242, 45170), (18068, 43105), (22585, 34484)]