64457500

素因数分解:

$2^2\times 5^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:125

約数の個数: 120

約数和(自身を含む): 157449600

約数和(自身を除く): 92992100

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, 625, 874, 950, 1121, 1150, 1180, 1250, 1357, 1475, 1748, 1900, 2185, 2242, 2300, 2375, 2500, 2714, 2875, 2950, 4370, 4484, 4750, 5428, 5605, 5750, 5900, 6785, 7375, 8740, 9500, 10925, 11210, 11500, 11875, 13570, 14375, 14750, 21850, 22420, 23750, 25783, 27140, 28025, 28750, 29500, 33925, 36875, 43700, 47500, 51566, 54625, 56050, 57500, 67850, 73750, 103132, 109250, 112100, 128915, 135700, 140125, 147500, 169625, 218500, 257830, 273125, 280250, 339250, 515660, 546250, 560500, 644575, 678500, 700625, 848125, 1092500, 1289150, 1401250, 1696250, 2578300, 2802500, 3222875, 3392500, 6445750, 12891500, 16114375, 32228750, 64457500]

約数ペア:

[(1, 64457500), (2, 32228750), (4, 16114375), (5, 12891500), (10, 6445750), (19, 3392500), (20, 3222875), (23, 2802500), (25, 2578300), (38, 1696250), (46, 1401250), (50, 1289150), (59, 1092500), (76, 848125), (92, 700625), (95, 678500), (100, 644575), (115, 560500), (118, 546250), (125, 515660), (190, 339250), (230, 280250), (236, 273125), (250, 257830), (295, 218500), (380, 169625), (437, 147500), (460, 140125), (475, 135700), (500, 128915), (575, 112100), (590, 109250), (625, 103132), (874, 73750), (950, 67850), (1121, 57500), (1150, 56050), (1180, 54625), (1250, 51566), (1357, 47500), (1475, 43700), (1748, 36875), (1900, 33925), (2185, 29500), (2242, 28750), (2300, 28025), (2375, 27140), (2500, 25783), (2714, 23750), (2875, 22420), (2950, 21850), (4370, 14750), (4484, 14375), (4750, 13570), (5428, 11875), (5605, 11500), (5750, 11210), (5900, 10925), (6785, 9500), (7375, 8740)]