12891500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:120

約数の個数: 96

約数和(自身を含む): 31449600

約数和(自身を除く): 18558100

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 25, 38, 46, 50, 59, 76, 92, 95, 100, 115, 118, 125, 190, 230, 236, 250, 295, 380, 437, 460, 475, 500, 575, 590, 874, 950, 1121, 1150, 1180, 1357, 1475, 1748, 1900, 2185, 2242, 2300, 2375, 2714, 2875, 2950, 4370, 4484, 4750, 5428, 5605, 5750, 5900, 6785, 7375, 8740, 9500, 10925, 11210, 11500, 13570, 14750, 21850, 22420, 25783, 27140, 28025, 29500, 33925, 43700, 51566, 54625, 56050, 67850, 103132, 109250, 112100, 128915, 135700, 140125, 169625, 218500, 257830, 280250, 339250, 515660, 560500, 644575, 678500, 1289150, 2578300, 3222875, 6445750, 12891500]

約数ペア:

[(1, 12891500), (2, 6445750), (4, 3222875), (5, 2578300), (10, 1289150), (19, 678500), (20, 644575), (23, 560500), (25, 515660), (38, 339250), (46, 280250), (50, 257830), (59, 218500), (76, 169625), (92, 140125), (95, 135700), (100, 128915), (115, 112100), (118, 109250), (125, 103132), (190, 67850), (230, 56050), (236, 54625), (250, 51566), (295, 43700), (380, 33925), (437, 29500), (460, 28025), (475, 27140), (500, 25783), (575, 22420), (590, 21850), (874, 14750), (950, 13570), (1121, 11500), (1150, 11210), (1180, 10925), (1357, 9500), (1475, 8740), (1748, 7375), (1900, 6785), (2185, 5900), (2242, 5750), (2300, 5605), (2375, 5428), (2714, 4750), (2875, 4484), (2950, 4370)]