51808750

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:251

約数の個数: 80

約数和(自身を含む): 115163136

約数和(自身を除く): 63354386

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 50, 62, 70, 125, 155, 175, 191, 217, 250, 310, 350, 382, 434, 625, 775, 875, 955, 1085, 1250, 1337, 1550, 1750, 1910, 2170, 2674, 3875, 4375, 4775, 5425, 5921, 6685, 7750, 8750, 9550, 10850, 11842, 13370, 19375, 23875, 27125, 29605, 33425, 38750, 41447, 47750, 54250, 59210, 66850, 82894, 119375, 135625, 148025, 167125, 207235, 238750, 271250, 296050, 334250, 414470, 740125, 835625, 1036175, 1480250, 1671250, 2072350, 3700625, 5180875, 7401250, 10361750, 25904375, 51808750]

約数ペア:

[(1, 51808750), (2, 25904375), (5, 10361750), (7, 7401250), (10, 5180875), (14, 3700625), (25, 2072350), (31, 1671250), (35, 1480250), (50, 1036175), (62, 835625), (70, 740125), (125, 414470), (155, 334250), (175, 296050), (191, 271250), (217, 238750), (250, 207235), (310, 167125), (350, 148025), (382, 135625), (434, 119375), (625, 82894), (775, 66850), (875, 59210), (955, 54250), (1085, 47750), (1250, 41447), (1337, 38750), (1550, 33425), (1750, 29605), (1910, 27125), (2170, 23875), (2674, 19375), (3875, 13370), (4375, 11842), (4775, 10850), (5425, 9550), (5921, 8750), (6685, 7750)]