2019687500

素因数分解:

$2^2\times 5^7\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:343

約数の個数: 96

約数和(自身を含む): 4626550656

約数和(自身を除く): 2606863156

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 125, 230, 250, 281, 460, 500, 562, 575, 625, 1124, 1150, 1250, 1405, 2300, 2500, 2810, 2875, 3125, 5620, 5750, 6250, 6463, 7025, 11500, 12500, 12926, 14050, 14375, 15625, 25852, 28100, 28750, 31250, 32315, 35125, 57500, 62500, 64630, 70250, 71875, 78125, 129260, 140500, 143750, 156250, 161575, 175625, 287500, 312500, 323150, 351250, 359375, 646300, 702500, 718750, 807875, 878125, 1437500, 1615750, 1756250, 1796875, 3231500, 3512500, 3593750, 4039375, 4390625, 7187500, 8078750, 8781250, 16157500, 17562500, 20196875, 21953125, 40393750, 43906250, 80787500, 87812500, 100984375, 201968750, 403937500, 504921875, 1009843750, 2019687500]

約数ペア:

[(1, 2019687500), (2, 1009843750), (4, 504921875), (5, 403937500), (10, 201968750), (20, 100984375), (23, 87812500), (25, 80787500), (46, 43906250), (50, 40393750), (92, 21953125), (100, 20196875), (115, 17562500), (125, 16157500), (230, 8781250), (250, 8078750), (281, 7187500), (460, 4390625), (500, 4039375), (562, 3593750), (575, 3512500), (625, 3231500), (1124, 1796875), (1150, 1756250), (1250, 1615750), (1405, 1437500), (2300, 878125), (2500, 807875), (2810, 718750), (2875, 702500), (3125, 646300), (5620, 359375), (5750, 351250), (6250, 323150), (6463, 312500), (7025, 287500), (11500, 175625), (12500, 161575), (12926, 156250), (14050, 143750), (14375, 140500), (15625, 129260), (25852, 78125), (28100, 71875), (28750, 70250), (31250, 64630), (32315, 62500), (35125, 57500)]