99997227430

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1979}}^1\times {\mathrm{13997}}^1$

素因数の和:16021

約数の個数: 48

約数和(自身を含む): 190076602320

約数和(自身を除く): 90079374890

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 1979, 3610, 3958, 9895, 13997, 19790, 27994, 37601, 69985, 75202, 139970, 188005, 265943, 376010, 531886, 714419, 1329715, 1428838, 2659430, 3572095, 5052917, 7144190, 10105834, 25264585, 27700063, 50529170, 55400126, 138500315, 277000630, 526301197, 1052602394, 2631505985, 5263011970, 9999722743, 19999445486, 49998613715, 99997227430]

約数ペア:

[(1, 99997227430), (2, 49998613715), (5, 19999445486), (10, 9999722743), (19, 5263011970), (38, 2631505985), (95, 1052602394), (190, 526301197), (361, 277000630), (722, 138500315), (1805, 55400126), (1979, 50529170), (3610, 27700063), (3958, 25264585), (9895, 10105834), (13997, 7144190), (19790, 5052917), (27994, 3572095), (37601, 2659430), (69985, 1428838), (75202, 1329715), (139970, 714419), (188005, 531886), (265943, 376010)]