68467700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:274

約数の個数: 108

約数和(自身を含む): 175887180

約数和(自身を除く): 107419480

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 89, 98, 100, 140, 157, 175, 178, 196, 245, 314, 350, 356, 445, 490, 623, 628, 700, 785, 890, 980, 1099, 1225, 1246, 1570, 1780, 2198, 2225, 2450, 2492, 3115, 3140, 3925, 4361, 4396, 4450, 4900, 5495, 6230, 7693, 7850, 8722, 8900, 10990, 12460, 13973, 15386, 15575, 15700, 17444, 21805, 21980, 27475, 27946, 30772, 31150, 38465, 43610, 54950, 55892, 62300, 69865, 76930, 87220, 97811, 109025, 109900, 139730, 153860, 192325, 195622, 218050, 279460, 349325, 384650, 391244, 436100, 489055, 684677, 698650, 769300, 978110, 1369354, 1397300, 1956220, 2445275, 2738708, 3423385, 4890550, 6846770, 9781100, 13693540, 17116925, 34233850, 68467700]

約数ペア:

[(1, 68467700), (2, 34233850), (4, 17116925), (5, 13693540), (7, 9781100), (10, 6846770), (14, 4890550), (20, 3423385), (25, 2738708), (28, 2445275), (35, 1956220), (49, 1397300), (50, 1369354), (70, 978110), (89, 769300), (98, 698650), (100, 684677), (140, 489055), (157, 436100), (175, 391244), (178, 384650), (196, 349325), (245, 279460), (314, 218050), (350, 195622), (356, 192325), (445, 153860), (490, 139730), (623, 109900), (628, 109025), (700, 97811), (785, 87220), (890, 76930), (980, 69865), (1099, 62300), (1225, 55892), (1246, 54950), (1570, 43610), (1780, 38465), (2198, 31150), (2225, 30772), (2450, 27946), (2492, 27475), (3115, 21980), (3140, 21805), (3925, 17444), (4361, 15700), (4396, 15575), (4450, 15386), (4900, 13973), (5495, 12460), (6230, 10990), (7693, 8900), (7850, 8722)]