218951600

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{11171}}^1$

素因数の和:11203

約数の個数: 90

約数和(自身を含む): 611968644

約数和(自身を除く): 393017044

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 980, 1225, 1400, 1960, 2450, 2800, 3920, 4900, 9800, 11171, 19600, 22342, 44684, 55855, 78197, 89368, 111710, 156394, 178736, 223420, 279275, 312788, 390985, 446840, 547379, 558550, 625576, 781970, 893680, 1094758, 1117100, 1251152, 1563940, 1954925, 2189516, 2234200, 2736895, 3127880, 3909850, 4379032, 4468400, 5473790, 6255760, 7819700, 8758064, 10947580, 13684475, 15639400, 21895160, 27368950, 31278800, 43790320, 54737900, 109475800, 218951600]

約数ペア:

[(1, 218951600), (2, 109475800), (4, 54737900), (5, 43790320), (7, 31278800), (8, 27368950), (10, 21895160), (14, 15639400), (16, 13684475), (20, 10947580), (25, 8758064), (28, 7819700), (35, 6255760), (40, 5473790), (49, 4468400), (50, 4379032), (56, 3909850), (70, 3127880), (80, 2736895), (98, 2234200), (100, 2189516), (112, 1954925), (140, 1563940), (175, 1251152), (196, 1117100), (200, 1094758), (245, 893680), (280, 781970), (350, 625576), (392, 558550), (400, 547379), (490, 446840), (560, 390985), (700, 312788), (784, 279275), (980, 223420), (1225, 178736), (1400, 156394), (1960, 111710), (2450, 89368), (2800, 78197), (3920, 55855), (4900, 44684), (9800, 22342), (11171, 19600)]