490921040

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1\times {\mathrm{229}}^1$

素因数の和:580

約数の個数: 80

約数和(自身を含む): 1160878080

約数和(自身を除く): 669957040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 211, 229, 254, 422, 458, 508, 635, 844, 916, 1016, 1055, 1145, 1270, 1688, 1832, 2032, 2110, 2290, 2540, 3376, 3664, 4220, 4580, 5080, 8440, 9160, 10160, 16880, 18320, 26797, 29083, 48319, 53594, 58166, 96638, 107188, 116332, 133985, 145415, 193276, 214376, 232664, 241595, 267970, 290830, 386552, 428752, 465328, 483190, 535940, 581660, 773104, 966380, 1071880, 1163320, 1932760, 2143760, 2326640, 3865520, 6136513, 12273026, 24546052, 30682565, 49092104, 61365130, 98184208, 122730260, 245460520, 490921040]

約数ペア:

[(1, 490921040), (2, 245460520), (4, 122730260), (5, 98184208), (8, 61365130), (10, 49092104), (16, 30682565), (20, 24546052), (40, 12273026), (80, 6136513), (127, 3865520), (211, 2326640), (229, 2143760), (254, 1932760), (422, 1163320), (458, 1071880), (508, 966380), (635, 773104), (844, 581660), (916, 535940), (1016, 483190), (1055, 465328), (1145, 428752), (1270, 386552), (1688, 290830), (1832, 267970), (2032, 241595), (2110, 232664), (2290, 214376), (2540, 193276), (3376, 145415), (3664, 133985), (4220, 116332), (4580, 107188), (5080, 96638), (8440, 58166), (9160, 53594), (10160, 48319), (16880, 29083), (18320, 26797)]