28983750

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:215

約数の個数: 80

約数和(自身を含む): 74226240

約数和(自身を除く): 45242490

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 59, 75, 118, 125, 131, 150, 177, 250, 262, 295, 354, 375, 393, 590, 625, 655, 750, 786, 885, 1250, 1310, 1475, 1770, 1875, 1965, 2950, 3275, 3750, 3930, 4425, 6550, 7375, 7729, 8850, 9825, 14750, 15458, 16375, 19650, 22125, 23187, 32750, 36875, 38645, 44250, 46374, 49125, 73750, 77290, 81875, 98250, 110625, 115935, 163750, 193225, 221250, 231870, 245625, 386450, 491250, 579675, 966125, 1159350, 1932250, 2898375, 4830625, 5796750, 9661250, 14491875, 28983750]

約数ペア:

[(1, 28983750), (2, 14491875), (3, 9661250), (5, 5796750), (6, 4830625), (10, 2898375), (15, 1932250), (25, 1159350), (30, 966125), (50, 579675), (59, 491250), (75, 386450), (118, 245625), (125, 231870), (131, 221250), (150, 193225), (177, 163750), (250, 115935), (262, 110625), (295, 98250), (354, 81875), (375, 77290), (393, 73750), (590, 49125), (625, 46374), (655, 44250), (750, 38645), (786, 36875), (885, 32750), (1250, 23187), (1310, 22125), (1475, 19650), (1770, 16375), (1875, 15458), (1965, 14750), (2950, 9825), (3275, 8850), (3750, 7729), (3930, 7375), (4425, 6550)]