18242000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{1303}}^1$

素因数の和:1333

約数の個数: 80

約数和(自身を含む): 50449152

約数和(自身を除く): 32207152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 250, 280, 350, 400, 500, 560, 700, 875, 1000, 1303, 1400, 1750, 2000, 2606, 2800, 3500, 5212, 6515, 7000, 9121, 10424, 13030, 14000, 18242, 20848, 26060, 32575, 36484, 45605, 52120, 65150, 72968, 91210, 104240, 130300, 145936, 162875, 182420, 228025, 260600, 325750, 364840, 456050, 521200, 651500, 729680, 912100, 1140125, 1303000, 1824200, 2280250, 2606000, 3648400, 4560500, 9121000, 18242000]

約数ペア:

[(1, 18242000), (2, 9121000), (4, 4560500), (5, 3648400), (7, 2606000), (8, 2280250), (10, 1824200), (14, 1303000), (16, 1140125), (20, 912100), (25, 729680), (28, 651500), (35, 521200), (40, 456050), (50, 364840), (56, 325750), (70, 260600), (80, 228025), (100, 182420), (112, 162875), (125, 145936), (140, 130300), (175, 104240), (200, 91210), (250, 72968), (280, 65150), (350, 52120), (400, 45605), (500, 36484), (560, 32575), (700, 26060), (875, 20848), (1000, 18242), (1303, 14000), (1400, 13030), (1750, 10424), (2000, 9121), (2606, 7000), (2800, 6515), (3500, 5212)]