189541840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139369}}^1$

素因数の和:139399

約数の個数: 40

約数和(自身を含む): 466610760

約数和(自身を除く): 277068920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 139369, 278738, 557476, 696845, 1114952, 1393690, 2229904, 2369273, 2787380, 4738546, 5574760, 9477092, 11149520, 11846365, 18954184, 23692730, 37908368, 47385460, 94770920, 189541840]

約数ペア:

[(1, 189541840), (2, 94770920), (4, 47385460), (5, 37908368), (8, 23692730), (10, 18954184), (16, 11846365), (17, 11149520), (20, 9477092), (34, 5574760), (40, 4738546), (68, 2787380), (80, 2369273), (85, 2229904), (136, 1393690), (170, 1114952), (272, 696845), (340, 557476), (680, 278738), (1360, 139369)]