4819000

素因数分解:

$2^3\times 5^3\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:161

約数の個数: 64

約数和(自身を含む): 11606400

約数和(自身を除く): 6787400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 79, 100, 122, 125, 158, 200, 244, 250, 305, 316, 395, 488, 500, 610, 632, 790, 1000, 1220, 1525, 1580, 1975, 2440, 3050, 3160, 3950, 4819, 6100, 7625, 7900, 9638, 9875, 12200, 15250, 15800, 19276, 19750, 24095, 30500, 38552, 39500, 48190, 61000, 79000, 96380, 120475, 192760, 240950, 481900, 602375, 963800, 1204750, 2409500, 4819000]

約数ペア:

[(1, 4819000), (2, 2409500), (4, 1204750), (5, 963800), (8, 602375), (10, 481900), (20, 240950), (25, 192760), (40, 120475), (50, 96380), (61, 79000), (79, 61000), (100, 48190), (122, 39500), (125, 38552), (158, 30500), (200, 24095), (244, 19750), (250, 19276), (305, 15800), (316, 15250), (395, 12200), (488, 9875), (500, 9638), (610, 7900), (632, 7625), (790, 6100), (1000, 4819), (1220, 3950), (1525, 3160), (1580, 3050), (1975, 2440)]