1438338650

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{12491}}^1$

素因数の和:12564

約数の個数: 72

約数和(自身を含む): 3178564416

約数和(自身を除く): 1740225766

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 47, 49, 50, 70, 94, 98, 175, 235, 245, 329, 350, 470, 490, 658, 1175, 1225, 1645, 2303, 2350, 2450, 3290, 4606, 8225, 11515, 12491, 16450, 23030, 24982, 57575, 62455, 87437, 115150, 124910, 174874, 312275, 437185, 587077, 612059, 624550, 874370, 1174154, 1224118, 2185925, 2935385, 3060295, 4109539, 4371850, 5870770, 6120590, 8219078, 14676925, 15301475, 20547695, 28766773, 29353850, 30602950, 41095390, 57533546, 102738475, 143833865, 205476950, 287667730, 719169325, 1438338650]

約数ペア:

[(1, 1438338650), (2, 719169325), (5, 287667730), (7, 205476950), (10, 143833865), (14, 102738475), (25, 57533546), (35, 41095390), (47, 30602950), (49, 29353850), (50, 28766773), (70, 20547695), (94, 15301475), (98, 14676925), (175, 8219078), (235, 6120590), (245, 5870770), (329, 4371850), (350, 4109539), (470, 3060295), (490, 2935385), (658, 2185925), (1175, 1224118), (1225, 1174154), (1645, 874370), (2303, 624550), (2350, 612059), (2450, 587077), (3290, 437185), (4606, 312275), (8225, 174874), (11515, 124910), (12491, 115150), (16450, 87437), (23030, 62455), (24982, 57575)]