64705900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4019}}^1$

素因数の和:4063

約数の個数: 72

約数和(自身を含む): 167489280

約数和(自身を除く): 102783380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 70, 92, 100, 115, 140, 161, 175, 230, 322, 350, 460, 575, 644, 700, 805, 1150, 1610, 2300, 3220, 4019, 4025, 8038, 8050, 16076, 16100, 20095, 28133, 40190, 56266, 80380, 92437, 100475, 112532, 140665, 184874, 200950, 281330, 369748, 401900, 462185, 562660, 647059, 703325, 924370, 1294118, 1406650, 1848740, 2310925, 2588236, 2813300, 3235295, 4621850, 6470590, 9243700, 12941180, 16176475, 32352950, 64705900]

約数ペア:

[(1, 64705900), (2, 32352950), (4, 16176475), (5, 12941180), (7, 9243700), (10, 6470590), (14, 4621850), (20, 3235295), (23, 2813300), (25, 2588236), (28, 2310925), (35, 1848740), (46, 1406650), (50, 1294118), (70, 924370), (92, 703325), (100, 647059), (115, 562660), (140, 462185), (161, 401900), (175, 369748), (230, 281330), (322, 200950), (350, 184874), (460, 140665), (575, 112532), (644, 100475), (700, 92437), (805, 80380), (1150, 56266), (1610, 40190), (2300, 28133), (3220, 20095), (4019, 16100), (4025, 16076), (8038, 8050)]