244090280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{461}}^1$

素因数の和:571

約数の個数: 128

約数和(自身を含む): 659957760

約数和(自身を除く): 415867480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 61, 62, 70, 122, 124, 140, 155, 217, 244, 248, 280, 305, 310, 427, 434, 461, 488, 610, 620, 854, 868, 922, 1085, 1220, 1240, 1708, 1736, 1844, 1891, 2135, 2170, 2305, 2440, 3227, 3416, 3688, 3782, 4270, 4340, 4610, 6454, 7564, 8540, 8680, 9220, 9455, 12908, 13237, 14291, 15128, 16135, 17080, 18440, 18910, 25816, 26474, 28121, 28582, 32270, 37820, 52948, 56242, 57164, 64540, 66185, 71455, 75640, 100037, 105896, 112484, 114328, 129080, 132370, 140605, 142910, 196847, 200074, 224968, 264740, 281210, 285820, 393694, 400148, 500185, 529480, 562420, 571640, 787388, 800296, 871751, 984235, 1000370, 1124840, 1574776, 1743502, 1968470, 2000740, 3487004, 3936940, 4001480, 4358755, 6102257, 6974008, 7873880, 8717510, 12204514, 17435020, 24409028, 30511285, 34870040, 48818056, 61022570, 122045140, 244090280]

約数ペア:

[(1, 244090280), (2, 122045140), (4, 61022570), (5, 48818056), (7, 34870040), (8, 30511285), (10, 24409028), (14, 17435020), (20, 12204514), (28, 8717510), (31, 7873880), (35, 6974008), (40, 6102257), (56, 4358755), (61, 4001480), (62, 3936940), (70, 3487004), (122, 2000740), (124, 1968470), (140, 1743502), (155, 1574776), (217, 1124840), (244, 1000370), (248, 984235), (280, 871751), (305, 800296), (310, 787388), (427, 571640), (434, 562420), (461, 529480), (488, 500185), (610, 400148), (620, 393694), (854, 285820), (868, 281210), (922, 264740), (1085, 224968), (1220, 200074), (1240, 196847), (1708, 142910), (1736, 140605), (1844, 132370), (1891, 129080), (2135, 114328), (2170, 112484), (2305, 105896), (2440, 100037), (3227, 75640), (3416, 71455), (3688, 66185), (3782, 64540), (4270, 57164), (4340, 56242), (4610, 52948), (6454, 37820), (7564, 32270), (8540, 28582), (8680, 28121), (9220, 26474), (9455, 25816), (12908, 18910), (13237, 18440), (14291, 17080), (15128, 16135)]