68500700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1163}}^1$

素因数の和:1227

約数の個数: 72

約数和(自身を含む): 161656320

約数和(自身を除く): 93155620

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 50, 62, 76, 95, 100, 124, 155, 190, 310, 380, 475, 589, 620, 775, 950, 1163, 1178, 1550, 1900, 2326, 2356, 2945, 3100, 4652, 5815, 5890, 11630, 11780, 14725, 22097, 23260, 29075, 29450, 36053, 44194, 58150, 58900, 72106, 88388, 110485, 116300, 144212, 180265, 220970, 360530, 441940, 552425, 685007, 721060, 901325, 1104850, 1370014, 1802650, 2209700, 2740028, 3425035, 3605300, 6850070, 13700140, 17125175, 34250350, 68500700]

約数ペア:

[(1, 68500700), (2, 34250350), (4, 17125175), (5, 13700140), (10, 6850070), (19, 3605300), (20, 3425035), (25, 2740028), (31, 2209700), (38, 1802650), (50, 1370014), (62, 1104850), (76, 901325), (95, 721060), (100, 685007), (124, 552425), (155, 441940), (190, 360530), (310, 220970), (380, 180265), (475, 144212), (589, 116300), (620, 110485), (775, 88388), (950, 72106), (1163, 58900), (1178, 58150), (1550, 44194), (1900, 36053), (2326, 29450), (2356, 29075), (2945, 23260), (3100, 22097), (4652, 14725), (5815, 11780), (5890, 11630)]