28946250

素因数分解:

$2^1\times 3^2\times 5^4\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:142

約数の個数: 120

約数和(自身を含む): 81873792

約数和(自身を除く): 52927542

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 31, 45, 50, 62, 75, 83, 90, 93, 125, 150, 155, 166, 186, 225, 249, 250, 279, 310, 375, 415, 450, 465, 498, 558, 625, 747, 750, 775, 830, 930, 1125, 1245, 1250, 1395, 1494, 1550, 1875, 2075, 2250, 2325, 2490, 2573, 2790, 3735, 3750, 3875, 4150, 4650, 5146, 5625, 6225, 6975, 7470, 7719, 7750, 10375, 11250, 11625, 12450, 12865, 13950, 15438, 18675, 19375, 20750, 23157, 23250, 25730, 31125, 34875, 37350, 38595, 38750, 46314, 51875, 58125, 62250, 64325, 69750, 77190, 93375, 103750, 115785, 116250, 128650, 155625, 174375, 186750, 192975, 231570, 311250, 321625, 348750, 385950, 466875, 578925, 643250, 933750, 964875, 1157850, 1608125, 1929750, 2894625, 3216250, 4824375, 5789250, 9648750, 14473125, 28946250]

約数ペア:

[(1, 28946250), (2, 14473125), (3, 9648750), (5, 5789250), (6, 4824375), (9, 3216250), (10, 2894625), (15, 1929750), (18, 1608125), (25, 1157850), (30, 964875), (31, 933750), (45, 643250), (50, 578925), (62, 466875), (75, 385950), (83, 348750), (90, 321625), (93, 311250), (125, 231570), (150, 192975), (155, 186750), (166, 174375), (186, 155625), (225, 128650), (249, 116250), (250, 115785), (279, 103750), (310, 93375), (375, 77190), (415, 69750), (450, 64325), (465, 62250), (498, 58125), (558, 51875), (625, 46314), (747, 38750), (750, 38595), (775, 37350), (830, 34875), (930, 31125), (1125, 25730), (1245, 23250), (1250, 23157), (1395, 20750), (1494, 19375), (1550, 18675), (1875, 15438), (2075, 13950), (2250, 12865), (2325, 12450), (2490, 11625), (2573, 11250), (2790, 10375), (3735, 7750), (3750, 7719), (3875, 7470), (4150, 6975), (4650, 6225), (5146, 5625)]