248032240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{971}}^1$

素因数の和:1118

約数の個数: 80

約数和(自身を含む): 601675776

約数和(自身を除く): 353643536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 103, 124, 155, 206, 248, 310, 412, 496, 515, 620, 824, 971, 1030, 1240, 1648, 1942, 2060, 2480, 3193, 3884, 4120, 4855, 6386, 7768, 8240, 9710, 12772, 15536, 15965, 19420, 25544, 30101, 31930, 38840, 51088, 60202, 63860, 77680, 100013, 120404, 127720, 150505, 200026, 240808, 255440, 301010, 400052, 481616, 500065, 602020, 800104, 1000130, 1204040, 1600208, 2000260, 2408080, 3100403, 4000520, 6200806, 8001040, 12401612, 15502015, 24803224, 31004030, 49606448, 62008060, 124016120, 248032240]

約数ペア:

[(1, 248032240), (2, 124016120), (4, 62008060), (5, 49606448), (8, 31004030), (10, 24803224), (16, 15502015), (20, 12401612), (31, 8001040), (40, 6200806), (62, 4000520), (80, 3100403), (103, 2408080), (124, 2000260), (155, 1600208), (206, 1204040), (248, 1000130), (310, 800104), (412, 602020), (496, 500065), (515, 481616), (620, 400052), (824, 301010), (971, 255440), (1030, 240808), (1240, 200026), (1648, 150505), (1942, 127720), (2060, 120404), (2480, 100013), (3193, 77680), (3884, 63860), (4120, 60202), (4855, 51088), (6386, 38840), (7768, 31930), (8240, 30101), (9710, 25544), (12772, 19420), (15536, 15965)]