204968200

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53939}}^1$

素因数の和:53974

約数の個数: 48

約数和(自身を含む): 501642000

約数和(自身を除く): 296673800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 53939, 107878, 215756, 269695, 431512, 539390, 1024841, 1078780, 1348475, 2049682, 2157560, 2696950, 4099364, 5124205, 5393900, 8198728, 10248410, 10787800, 20496820, 25621025, 40993640, 51242050, 102484100, 204968200]

約数ペア:

[(1, 204968200), (2, 102484100), (4, 51242050), (5, 40993640), (8, 25621025), (10, 20496820), (19, 10787800), (20, 10248410), (25, 8198728), (38, 5393900), (40, 5124205), (50, 4099364), (76, 2696950), (95, 2157560), (100, 2049682), (152, 1348475), (190, 1078780), (200, 1024841), (380, 539390), (475, 431512), (760, 269695), (950, 215756), (1900, 107878), (3800, 53939)]