221703234020

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{3407}}^1\times {\mathrm{19961}}^1$

素因数の和:23540

約数の個数: 48

約数和(自身を含む): 468594056448

約数和(自身を除く): 246890822428

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 3407, 6814, 13628, 17035, 19961, 34070, 39922, 68140, 79844, 99805, 199610, 399220, 555341, 1110682, 2221364, 2776705, 3253643, 5553410, 6507286, 11106820, 13014572, 16268215, 32536430, 65072860, 68007127, 136014254, 272028508, 340035635, 680071270, 1360142540, 11085161701, 22170323402, 44340646804, 55425808505, 110851617010, 221703234020]

約数ペア:

[(1, 221703234020), (2, 110851617010), (4, 55425808505), (5, 44340646804), (10, 22170323402), (20, 11085161701), (163, 1360142540), (326, 680071270), (652, 340035635), (815, 272028508), (1630, 136014254), (3260, 68007127), (3407, 65072860), (6814, 32536430), (13628, 16268215), (17035, 13014572), (19961, 11106820), (34070, 6507286), (39922, 5553410), (68140, 3253643), (79844, 2776705), (99805, 2221364), (199610, 1110682), (399220, 555341)]