100420920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{278947}}^1$

素因数の和:278964

約数の個数: 48

約数和(自身を含む): 326369160

約数和(自身を除く): 225948240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 278947, 557894, 836841, 1115788, 1394735, 1673682, 2231576, 2510523, 2789470, 3347364, 4184205, 5021046, 5578940, 6694728, 8368410, 10042092, 11157880, 12552615, 16736820, 20084184, 25105230, 33473640, 50210460, 100420920]

約数ペア:

[(1, 100420920), (2, 50210460), (3, 33473640), (4, 25105230), (5, 20084184), (6, 16736820), (8, 12552615), (9, 11157880), (10, 10042092), (12, 8368410), (15, 6694728), (18, 5578940), (20, 5021046), (24, 4184205), (30, 3347364), (36, 2789470), (40, 2510523), (45, 2231576), (60, 1673682), (72, 1394735), (90, 1115788), (120, 836841), (180, 557894), (360, 278947)]