18352000

素因数分解:

$2^7\times 5^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:97

約数の個数: 128

約数和(自身を含む): 48372480

約数和(自身を除く): 30020480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 37, 40, 50, 62, 64, 74, 80, 100, 124, 125, 128, 148, 155, 160, 185, 200, 248, 250, 296, 310, 320, 370, 400, 496, 500, 592, 620, 640, 740, 775, 800, 925, 992, 1000, 1147, 1184, 1240, 1480, 1550, 1600, 1850, 1984, 2000, 2294, 2368, 2480, 2960, 3100, 3200, 3700, 3875, 3968, 4000, 4588, 4625, 4736, 4960, 5735, 5920, 6200, 7400, 7750, 8000, 9176, 9250, 9920, 11470, 11840, 12400, 14800, 15500, 16000, 18352, 18500, 19840, 22940, 23680, 24800, 28675, 29600, 31000, 36704, 37000, 45880, 49600, 57350, 59200, 62000, 73408, 74000, 91760, 99200, 114700, 118400, 124000, 143375, 146816, 148000, 183520, 229400, 248000, 286750, 296000, 367040, 458800, 496000, 573500, 592000, 734080, 917600, 1147000, 1835200, 2294000, 3670400, 4588000, 9176000, 18352000]

約数ペア:

[(1, 18352000), (2, 9176000), (4, 4588000), (5, 3670400), (8, 2294000), (10, 1835200), (16, 1147000), (20, 917600), (25, 734080), (31, 592000), (32, 573500), (37, 496000), (40, 458800), (50, 367040), (62, 296000), (64, 286750), (74, 248000), (80, 229400), (100, 183520), (124, 148000), (125, 146816), (128, 143375), (148, 124000), (155, 118400), (160, 114700), (185, 99200), (200, 91760), (248, 74000), (250, 73408), (296, 62000), (310, 59200), (320, 57350), (370, 49600), (400, 45880), (496, 37000), (500, 36704), (592, 31000), (620, 29600), (640, 28675), (740, 24800), (775, 23680), (800, 22940), (925, 19840), (992, 18500), (1000, 18352), (1147, 16000), (1184, 15500), (1240, 14800), (1480, 12400), (1550, 11840), (1600, 11470), (1850, 9920), (1984, 9250), (2000, 9176), (2294, 8000), (2368, 7750), (2480, 7400), (2960, 6200), (3100, 5920), (3200, 5735), (3700, 4960), (3875, 4736), (3968, 4625), (4000, 4588)]