2017697590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{139}}^1\times {\mathrm{4021}}^1$

素因数の和:4205

約数の個数: 48

約数和(自身を含む): 3861602640

約数和(自身を除く): 1843905050

約数列:

[1, 2, 5, 10, 19, 38, 95, 139, 190, 278, 361, 695, 722, 1390, 1805, 2641, 3610, 4021, 5282, 8042, 13205, 20105, 26410, 40210, 50179, 76399, 100358, 152798, 250895, 381995, 501790, 558919, 763990, 1117838, 1451581, 2794595, 2903162, 5589190, 7257905, 10619461, 14515810, 21238922, 53097305, 106194610, 201769759, 403539518, 1008848795, 2017697590]

約数ペア:

[(1, 2017697590), (2, 1008848795), (5, 403539518), (10, 201769759), (19, 106194610), (38, 53097305), (95, 21238922), (139, 14515810), (190, 10619461), (278, 7257905), (361, 5589190), (695, 2903162), (722, 2794595), (1390, 1451581), (1805, 1117838), (2641, 763990), (3610, 558919), (4021, 501790), (5282, 381995), (8042, 250895), (13205, 152798), (20105, 100358), (26410, 76399), (40210, 50179)]