28372500

素因数分解:

$2^2\times 3^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{97}}^1$

素因数の和:140

約数の個数: 180

約数和(自身を含む): 97509412

約数和(自身を除く): 69136912

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 30, 36, 39, 45, 50, 52, 60, 65, 75, 78, 90, 97, 100, 117, 125, 130, 150, 156, 180, 194, 195, 225, 234, 250, 260, 291, 300, 325, 375, 388, 390, 450, 468, 485, 500, 582, 585, 625, 650, 750, 780, 873, 900, 970, 975, 1125, 1164, 1170, 1250, 1261, 1300, 1455, 1500, 1625, 1746, 1875, 1940, 1950, 2250, 2340, 2425, 2500, 2522, 2910, 2925, 3250, 3492, 3750, 3783, 3900, 4365, 4500, 4850, 4875, 5044, 5625, 5820, 5850, 6305, 6500, 7275, 7500, 7566, 8125, 8730, 9700, 9750, 11250, 11349, 11700, 12125, 12610, 14550, 14625, 15132, 16250, 17460, 18915, 19500, 21825, 22500, 22698, 24250, 24375, 25220, 29100, 29250, 31525, 32500, 36375, 37830, 43650, 45396, 48500, 48750, 56745, 58500, 60625, 63050, 72750, 73125, 75660, 87300, 94575, 97500, 109125, 113490, 121250, 126100, 145500, 146250, 157625, 181875, 189150, 218250, 226980, 242500, 283725, 292500, 315250, 363750, 378300, 436500, 472875, 545625, 567450, 630500, 727500, 788125, 945750, 1091250, 1134900, 1418625, 1576250, 1891500, 2182500, 2364375, 2837250, 3152500, 4728750, 5674500, 7093125, 9457500, 14186250, 28372500]

約数ペア:

[(1, 28372500), (2, 14186250), (3, 9457500), (4, 7093125), (5, 5674500), (6, 4728750), (9, 3152500), (10, 2837250), (12, 2364375), (13, 2182500), (15, 1891500), (18, 1576250), (20, 1418625), (25, 1134900), (26, 1091250), (30, 945750), (36, 788125), (39, 727500), (45, 630500), (50, 567450), (52, 545625), (60, 472875), (65, 436500), (75, 378300), (78, 363750), (90, 315250), (97, 292500), (100, 283725), (117, 242500), (125, 226980), (130, 218250), (150, 189150), (156, 181875), (180, 157625), (194, 146250), (195, 145500), (225, 126100), (234, 121250), (250, 113490), (260, 109125), (291, 97500), (300, 94575), (325, 87300), (375, 75660), (388, 73125), (390, 72750), (450, 63050), (468, 60625), (485, 58500), (500, 56745), (582, 48750), (585, 48500), (625, 45396), (650, 43650), (750, 37830), (780, 36375), (873, 32500), (900, 31525), (970, 29250), (975, 29100), (1125, 25220), (1164, 24375), (1170, 24250), (1250, 22698), (1261, 22500), (1300, 21825), (1455, 19500), (1500, 18915), (1625, 17460), (1746, 16250), (1875, 15132), (1940, 14625), (1950, 14550), (2250, 12610), (2340, 12125), (2425, 11700), (2500, 11349), (2522, 11250), (2910, 9750), (2925, 9700), (3250, 8730), (3492, 8125), (3750, 7566), (3783, 7500), (3900, 7275), (4365, 6500), (4500, 6305), (4850, 5850), (4875, 5820), (5044, 5625)]