2153460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1889}}^1$

素因数の和:1920

約数の個数: 48

約数和(自身を含む): 6350400

約数和(自身を除く): 4196940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 1889, 3778, 5667, 7556, 9445, 11334, 18890, 22668, 28335, 35891, 37780, 56670, 71782, 107673, 113340, 143564, 179455, 215346, 358910, 430692, 538365, 717820, 1076730, 2153460]

約数ペア:

[(1, 2153460), (2, 1076730), (3, 717820), (4, 538365), (5, 430692), (6, 358910), (10, 215346), (12, 179455), (15, 143564), (19, 113340), (20, 107673), (30, 71782), (38, 56670), (57, 37780), (60, 35891), (76, 28335), (95, 22668), (114, 18890), (190, 11334), (228, 9445), (285, 7556), (380, 5667), (570, 3778), (1140, 1889)]