197627500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1$

素因数の和:545

約数の個数: 120

約数和(自身を含む): 516434688

約数和(自身を除く): 318807188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 70, 92, 100, 115, 125, 140, 161, 175, 230, 250, 322, 350, 460, 491, 500, 575, 625, 644, 700, 805, 875, 982, 1150, 1250, 1610, 1750, 1964, 2300, 2455, 2500, 2875, 3220, 3437, 3500, 4025, 4375, 4910, 5750, 6874, 8050, 8750, 9820, 11293, 11500, 12275, 13748, 14375, 16100, 17185, 17500, 20125, 22586, 24550, 28750, 34370, 40250, 45172, 49100, 56465, 57500, 61375, 68740, 79051, 80500, 85925, 100625, 112930, 122750, 158102, 171850, 201250, 225860, 245500, 282325, 306875, 316204, 343700, 395255, 402500, 429625, 564650, 613750, 790510, 859250, 1129300, 1227500, 1411625, 1581020, 1718500, 1976275, 2148125, 2823250, 3952550, 4296250, 5646500, 7058125, 7905100, 8592500, 9881375, 14116250, 19762750, 28232500, 39525500, 49406875, 98813750, 197627500]

約数ペア:

[(1, 197627500), (2, 98813750), (4, 49406875), (5, 39525500), (7, 28232500), (10, 19762750), (14, 14116250), (20, 9881375), (23, 8592500), (25, 7905100), (28, 7058125), (35, 5646500), (46, 4296250), (50, 3952550), (70, 2823250), (92, 2148125), (100, 1976275), (115, 1718500), (125, 1581020), (140, 1411625), (161, 1227500), (175, 1129300), (230, 859250), (250, 790510), (322, 613750), (350, 564650), (460, 429625), (491, 402500), (500, 395255), (575, 343700), (625, 316204), (644, 306875), (700, 282325), (805, 245500), (875, 225860), (982, 201250), (1150, 171850), (1250, 158102), (1610, 122750), (1750, 112930), (1964, 100625), (2300, 85925), (2455, 80500), (2500, 79051), (2875, 68740), (3220, 61375), (3437, 57500), (3500, 56465), (4025, 49100), (4375, 45172), (4910, 40250), (5750, 34370), (6874, 28750), (8050, 24550), (8750, 22586), (9820, 20125), (11293, 17500), (11500, 17185), (12275, 16100), (13748, 14375)]