203855900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1453}}^1$

素因数の和:1551

約数の個数: 72

約数和(自身を含む): 469490784

約数和(自身を除く): 265634884

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 61, 92, 100, 115, 122, 230, 244, 305, 460, 575, 610, 1150, 1220, 1403, 1453, 1525, 2300, 2806, 2906, 3050, 5612, 5812, 6100, 7015, 7265, 14030, 14530, 28060, 29060, 33419, 35075, 36325, 66838, 70150, 72650, 88633, 133676, 140300, 145300, 167095, 177266, 334190, 354532, 443165, 668380, 835475, 886330, 1670950, 1772660, 2038559, 2215825, 3341900, 4077118, 4431650, 8154236, 8863300, 10192795, 20385590, 40771180, 50963975, 101927950, 203855900]

約数ペア:

[(1, 203855900), (2, 101927950), (4, 50963975), (5, 40771180), (10, 20385590), (20, 10192795), (23, 8863300), (25, 8154236), (46, 4431650), (50, 4077118), (61, 3341900), (92, 2215825), (100, 2038559), (115, 1772660), (122, 1670950), (230, 886330), (244, 835475), (305, 668380), (460, 443165), (575, 354532), (610, 334190), (1150, 177266), (1220, 167095), (1403, 145300), (1453, 140300), (1525, 133676), (2300, 88633), (2806, 72650), (2906, 70150), (3050, 66838), (5612, 36325), (5812, 35075), (6100, 33419), (7015, 29060), (7265, 28060), (14030, 14530)]