55235740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{359}}^1$

素因数の和:539

約数の個数: 72

約数和(自身を含む): 136170720

約数和(自身を除く): 80934980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 157, 196, 245, 314, 359, 490, 628, 718, 785, 980, 1099, 1436, 1570, 1795, 2198, 2513, 3140, 3590, 4396, 5026, 5495, 7180, 7693, 10052, 10990, 12565, 15386, 17591, 21980, 25130, 30772, 35182, 38465, 50260, 56363, 70364, 76930, 87955, 112726, 153860, 175910, 225452, 281815, 351820, 394541, 563630, 789082, 1127260, 1578164, 1972705, 2761787, 3945410, 5523574, 7890820, 11047148, 13808935, 27617870, 55235740]

約数ペア:

[(1, 55235740), (2, 27617870), (4, 13808935), (5, 11047148), (7, 7890820), (10, 5523574), (14, 3945410), (20, 2761787), (28, 1972705), (35, 1578164), (49, 1127260), (70, 789082), (98, 563630), (140, 394541), (157, 351820), (196, 281815), (245, 225452), (314, 175910), (359, 153860), (490, 112726), (628, 87955), (718, 76930), (785, 70364), (980, 56363), (1099, 50260), (1436, 38465), (1570, 35182), (1795, 30772), (2198, 25130), (2513, 21980), (3140, 17591), (3590, 15386), (4396, 12565), (5026, 10990), (5495, 10052), (7180, 7693)]