2101590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1229}}^1$

素因数の和:1261

約数の個数: 48

約数和(自身を含む): 5756400

約数和(自身を除く): 3654810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1229, 1710, 2458, 3687, 6145, 7374, 11061, 12290, 18435, 22122, 23351, 36870, 46702, 55305, 70053, 110610, 116755, 140106, 210159, 233510, 350265, 420318, 700530, 1050795, 2101590]

約数ペア:

[(1, 2101590), (2, 1050795), (3, 700530), (5, 420318), (6, 350265), (9, 233510), (10, 210159), (15, 140106), (18, 116755), (19, 110610), (30, 70053), (38, 55305), (45, 46702), (57, 36870), (90, 23351), (95, 22122), (114, 18435), (171, 12290), (190, 11061), (285, 7374), (342, 6145), (570, 3687), (855, 2458), (1229, 1710)]