128533100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1109}}^1$

素因数の和:1203

約数の個数: 72

約数和(自身を含む): 298678800

約数和(自身を除く): 170145700

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 61, 76, 95, 100, 122, 190, 244, 305, 380, 475, 610, 950, 1109, 1159, 1220, 1525, 1900, 2218, 2318, 3050, 4436, 4636, 5545, 5795, 6100, 11090, 11590, 21071, 22180, 23180, 27725, 28975, 42142, 55450, 57950, 67649, 84284, 105355, 110900, 115900, 135298, 210710, 270596, 338245, 421420, 526775, 676490, 1053550, 1285331, 1352980, 1691225, 2107100, 2570662, 3382450, 5141324, 6426655, 6764900, 12853310, 25706620, 32133275, 64266550, 128533100]

約数ペア:

[(1, 128533100), (2, 64266550), (4, 32133275), (5, 25706620), (10, 12853310), (19, 6764900), (20, 6426655), (25, 5141324), (38, 3382450), (50, 2570662), (61, 2107100), (76, 1691225), (95, 1352980), (100, 1285331), (122, 1053550), (190, 676490), (244, 526775), (305, 421420), (380, 338245), (475, 270596), (610, 210710), (950, 135298), (1109, 115900), (1159, 110900), (1220, 105355), (1525, 84284), (1900, 67649), (2218, 57950), (2318, 55450), (3050, 42142), (4436, 28975), (4636, 27725), (5545, 23180), (5795, 22180), (6100, 21071), (11090, 11590)]