89414380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{21391}}^1$

素因数の和:21430

約数の個数: 48

約数和(自身を含む): 215631360

約数和(自身を除く): 126216980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 21391, 42782, 85564, 106955, 213910, 235301, 406429, 427820, 470602, 812858, 941204, 1176505, 1625716, 2032145, 2353010, 4064290, 4470719, 4706020, 8128580, 8941438, 17882876, 22353595, 44707190, 89414380]

約数ペア:

[(1, 89414380), (2, 44707190), (4, 22353595), (5, 17882876), (10, 8941438), (11, 8128580), (19, 4706020), (20, 4470719), (22, 4064290), (38, 2353010), (44, 2032145), (55, 1625716), (76, 1176505), (95, 941204), (110, 812858), (190, 470602), (209, 427820), (220, 406429), (380, 235301), (418, 213910), (836, 106955), (1045, 85564), (2090, 42782), (4180, 21391)]