20131121450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{69191}}^1$

素因数の和:69260

約数の個数: 72

約数和(自身を含む): 42701704416

約数和(自身を除く): 22570582966

約数列:

[1, 2, 5, 10, 11, 22, 23, 25, 46, 50, 55, 110, 115, 230, 253, 275, 506, 529, 550, 575, 1058, 1150, 1265, 2530, 2645, 5290, 5819, 6325, 11638, 12650, 13225, 26450, 29095, 58190, 69191, 138382, 145475, 290950, 345955, 691910, 761101, 1522202, 1591393, 1729775, 3182786, 3459550, 3805505, 7611010, 7956965, 15913930, 17505323, 19027525, 35010646, 36602039, 38055050, 39784825, 73204078, 79569650, 87526615, 175053230, 183010195, 366020390, 402622429, 437633075, 805244858, 875266150, 915050975, 1830101950, 2013112145, 4026224290, 10065560725, 20131121450]

約数ペア:

[(1, 20131121450), (2, 10065560725), (5, 4026224290), (10, 2013112145), (11, 1830101950), (22, 915050975), (23, 875266150), (25, 805244858), (46, 437633075), (50, 402622429), (55, 366020390), (110, 183010195), (115, 175053230), (230, 87526615), (253, 79569650), (275, 73204078), (506, 39784825), (529, 38055050), (550, 36602039), (575, 35010646), (1058, 19027525), (1150, 17505323), (1265, 15913930), (2530, 7956965), (2645, 7611010), (5290, 3805505), (5819, 3459550), (6325, 3182786), (11638, 1729775), (12650, 1591393), (13225, 1522202), (26450, 761101), (29095, 691910), (58190, 345955), (69191, 290950), (138382, 145475)]