238665280

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:553

約数の個数: 168

約数和(自身を含む): 683824896

約数和(自身を除く): 445159616

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 64, 70, 80, 98, 112, 124, 140, 155, 160, 196, 217, 224, 245, 248, 280, 310, 320, 392, 434, 448, 490, 491, 496, 560, 620, 784, 868, 980, 982, 992, 1085, 1120, 1240, 1519, 1568, 1736, 1960, 1964, 1984, 2170, 2240, 2455, 2480, 3038, 3136, 3437, 3472, 3920, 3928, 4340, 4910, 4960, 6076, 6874, 6944, 7595, 7840, 7856, 8680, 9820, 9920, 12152, 13748, 13888, 15190, 15221, 15680, 15712, 17185, 17360, 19640, 24059, 24304, 27496, 30380, 30442, 31424, 34370, 34720, 39280, 48118, 48608, 54992, 60760, 60884, 68740, 69440, 76105, 78560, 96236, 97216, 106547, 109984, 120295, 121520, 121768, 137480, 152210, 157120, 192472, 213094, 219968, 240590, 243040, 243536, 274960, 304420, 384944, 426188, 481180, 486080, 487072, 532735, 549920, 608840, 745829, 769888, 852376, 962360, 974144, 1065470, 1099840, 1217680, 1491658, 1539776, 1704752, 1924720, 2130940, 2435360, 2983316, 3409504, 3729145, 3849440, 4261880, 4870720, 5966632, 6819008, 7458290, 7698880, 8523760, 11933264, 14916580, 17047520, 23866528, 29833160, 34095040, 47733056, 59666320, 119332640, 238665280]

約数ペア:

[(1, 238665280), (2, 119332640), (4, 59666320), (5, 47733056), (7, 34095040), (8, 29833160), (10, 23866528), (14, 17047520), (16, 14916580), (20, 11933264), (28, 8523760), (31, 7698880), (32, 7458290), (35, 6819008), (40, 5966632), (49, 4870720), (56, 4261880), (62, 3849440), (64, 3729145), (70, 3409504), (80, 2983316), (98, 2435360), (112, 2130940), (124, 1924720), (140, 1704752), (155, 1539776), (160, 1491658), (196, 1217680), (217, 1099840), (224, 1065470), (245, 974144), (248, 962360), (280, 852376), (310, 769888), (320, 745829), (392, 608840), (434, 549920), (448, 532735), (490, 487072), (491, 486080), (496, 481180), (560, 426188), (620, 384944), (784, 304420), (868, 274960), (980, 243536), (982, 243040), (992, 240590), (1085, 219968), (1120, 213094), (1240, 192472), (1519, 157120), (1568, 152210), (1736, 137480), (1960, 121768), (1964, 121520), (1984, 120295), (2170, 109984), (2240, 106547), (2455, 97216), (2480, 96236), (3038, 78560), (3136, 76105), (3437, 69440), (3472, 68740), (3920, 60884), (3928, 60760), (4340, 54992), (4910, 48608), (4960, 48118), (6076, 39280), (6874, 34720), (6944, 34370), (7595, 31424), (7840, 30442), (7856, 30380), (8680, 27496), (9820, 24304), (9920, 24059), (12152, 19640), (13748, 17360), (13888, 17185), (15190, 15712), (15221, 15680)]