19876600

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:217

約数の個数: 96

約数和(自身を含む): 50220000

約数和(自身を除く): 30343400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 29, 40, 46, 50, 58, 92, 100, 115, 116, 145, 149, 184, 200, 230, 232, 290, 298, 460, 575, 580, 596, 667, 725, 745, 920, 1150, 1160, 1192, 1334, 1450, 1490, 2300, 2668, 2900, 2980, 3335, 3427, 3725, 4321, 4600, 5336, 5800, 5960, 6670, 6854, 7450, 8642, 13340, 13708, 14900, 16675, 17135, 17284, 21605, 26680, 27416, 29800, 33350, 34270, 34568, 43210, 66700, 68540, 85675, 86420, 99383, 108025, 133400, 137080, 171350, 172840, 198766, 216050, 342700, 397532, 432100, 496915, 685400, 795064, 864200, 993830, 1987660, 2484575, 3975320, 4969150, 9938300, 19876600]

約数ペア:

[(1, 19876600), (2, 9938300), (4, 4969150), (5, 3975320), (8, 2484575), (10, 1987660), (20, 993830), (23, 864200), (25, 795064), (29, 685400), (40, 496915), (46, 432100), (50, 397532), (58, 342700), (92, 216050), (100, 198766), (115, 172840), (116, 171350), (145, 137080), (149, 133400), (184, 108025), (200, 99383), (230, 86420), (232, 85675), (290, 68540), (298, 66700), (460, 43210), (575, 34568), (580, 34270), (596, 33350), (667, 29800), (725, 27416), (745, 26680), (920, 21605), (1150, 17284), (1160, 17135), (1192, 16675), (1334, 14900), (1450, 13708), (1490, 13340), (2300, 8642), (2668, 7450), (2900, 6854), (2980, 6670), (3335, 5960), (3427, 5800), (3725, 5336), (4321, 4600)]