90145000

素因数分解:

$2^3\times 5^4\times {\mathrm{11}}^2\times {\mathrm{149}}^1$

素因数の和:197

約数の個数: 120

約数和(自身を含む): 233714250

約数和(自身を除く): 143569250

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 121, 125, 149, 200, 220, 242, 250, 275, 298, 440, 484, 500, 550, 596, 605, 625, 745, 968, 1000, 1100, 1192, 1210, 1250, 1375, 1490, 1639, 2200, 2420, 2500, 2750, 2980, 3025, 3278, 3725, 4840, 5000, 5500, 5960, 6050, 6556, 6875, 7450, 8195, 11000, 12100, 13112, 13750, 14900, 15125, 16390, 18029, 18625, 24200, 27500, 29800, 30250, 32780, 36058, 37250, 40975, 55000, 60500, 65560, 72116, 74500, 75625, 81950, 90145, 93125, 121000, 144232, 149000, 151250, 163900, 180290, 186250, 204875, 302500, 327800, 360580, 372500, 409750, 450725, 605000, 721160, 745000, 819500, 901450, 1024375, 1639000, 1802900, 2048750, 2253625, 3605800, 4097500, 4507250, 8195000, 9014500, 11268125, 18029000, 22536250, 45072500, 90145000]

約数ペア:

[(1, 90145000), (2, 45072500), (4, 22536250), (5, 18029000), (8, 11268125), (10, 9014500), (11, 8195000), (20, 4507250), (22, 4097500), (25, 3605800), (40, 2253625), (44, 2048750), (50, 1802900), (55, 1639000), (88, 1024375), (100, 901450), (110, 819500), (121, 745000), (125, 721160), (149, 605000), (200, 450725), (220, 409750), (242, 372500), (250, 360580), (275, 327800), (298, 302500), (440, 204875), (484, 186250), (500, 180290), (550, 163900), (596, 151250), (605, 149000), (625, 144232), (745, 121000), (968, 93125), (1000, 90145), (1100, 81950), (1192, 75625), (1210, 74500), (1250, 72116), (1375, 65560), (1490, 60500), (1639, 55000), (2200, 40975), (2420, 37250), (2500, 36058), (2750, 32780), (2980, 30250), (3025, 29800), (3278, 27500), (3725, 24200), (4840, 18625), (5000, 18029), (5500, 16390), (5960, 15125), (6050, 14900), (6556, 13750), (6875, 13112), (7450, 12100), (8195, 11000)]