816305900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{1933}}^1$

素因数の和:2091

約数の個数: 72

約数和(自身を含む): 1833153504

約数和(自身を除く): 1016847604

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 103, 164, 205, 206, 410, 412, 515, 820, 1025, 1030, 1933, 2050, 2060, 2575, 3866, 4100, 4223, 5150, 7732, 8446, 9665, 10300, 16892, 19330, 21115, 38660, 42230, 48325, 79253, 84460, 96650, 105575, 158506, 193300, 199099, 211150, 317012, 396265, 398198, 422300, 792530, 796396, 995495, 1585060, 1981325, 1990990, 3962650, 3981980, 4977475, 7925300, 8163059, 9954950, 16326118, 19909900, 32652236, 40815295, 81630590, 163261180, 204076475, 408152950, 816305900]

約数ペア:

[(1, 816305900), (2, 408152950), (4, 204076475), (5, 163261180), (10, 81630590), (20, 40815295), (25, 32652236), (41, 19909900), (50, 16326118), (82, 9954950), (100, 8163059), (103, 7925300), (164, 4977475), (205, 3981980), (206, 3962650), (410, 1990990), (412, 1981325), (515, 1585060), (820, 995495), (1025, 796396), (1030, 792530), (1933, 422300), (2050, 398198), (2060, 396265), (2575, 317012), (3866, 211150), (4100, 199099), (4223, 193300), (5150, 158506), (7732, 105575), (8446, 96650), (9665, 84460), (10300, 79253), (16892, 48325), (19330, 42230), (21115, 38660)]