88909100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{809}}^1$

素因数の和:987

約数の個数: 72

約数和(自身を含む): 222173280

約数和(自身を除く): 133264180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 157, 175, 314, 350, 628, 700, 785, 809, 1099, 1570, 1618, 2198, 3140, 3236, 3925, 4045, 4396, 5495, 5663, 7850, 8090, 10990, 11326, 15700, 16180, 20225, 21980, 22652, 27475, 28315, 40450, 54950, 56630, 80900, 109900, 113260, 127013, 141575, 254026, 283150, 508052, 566300, 635065, 889091, 1270130, 1778182, 2540260, 3175325, 3556364, 4445455, 6350650, 8890910, 12701300, 17781820, 22227275, 44454550, 88909100]

約数ペア:

[(1, 88909100), (2, 44454550), (4, 22227275), (5, 17781820), (7, 12701300), (10, 8890910), (14, 6350650), (20, 4445455), (25, 3556364), (28, 3175325), (35, 2540260), (50, 1778182), (70, 1270130), (100, 889091), (140, 635065), (157, 566300), (175, 508052), (314, 283150), (350, 254026), (628, 141575), (700, 127013), (785, 113260), (809, 109900), (1099, 80900), (1570, 56630), (1618, 54950), (2198, 40450), (3140, 28315), (3236, 27475), (3925, 22652), (4045, 21980), (4396, 20225), (5495, 16180), (5663, 15700), (7850, 11326), (8090, 10990)]