64751900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{599}}^1$

素因数の和:683

約数の個数: 72

約数和(自身を含む): 149990400

約数和(自身を除く): 85238500

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 47, 50, 92, 94, 100, 115, 188, 230, 235, 460, 470, 575, 599, 940, 1081, 1150, 1175, 1198, 2162, 2300, 2350, 2396, 2995, 4324, 4700, 5405, 5990, 10810, 11980, 13777, 14975, 21620, 27025, 27554, 28153, 29950, 54050, 55108, 56306, 59900, 68885, 108100, 112612, 137770, 140765, 275540, 281530, 344425, 563060, 647519, 688850, 703825, 1295038, 1377700, 1407650, 2590076, 2815300, 3237595, 6475190, 12950380, 16187975, 32375950, 64751900]

約数ペア:

[(1, 64751900), (2, 32375950), (4, 16187975), (5, 12950380), (10, 6475190), (20, 3237595), (23, 2815300), (25, 2590076), (46, 1407650), (47, 1377700), (50, 1295038), (92, 703825), (94, 688850), (100, 647519), (115, 563060), (188, 344425), (230, 281530), (235, 275540), (460, 140765), (470, 137770), (575, 112612), (599, 108100), (940, 68885), (1081, 59900), (1150, 56306), (1175, 55108), (1198, 54050), (2162, 29950), (2300, 28153), (2350, 27554), (2396, 27025), (2995, 21620), (4324, 14975), (4700, 13777), (5405, 11980), (5990, 10810)]