1551150740

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1\times {\mathrm{2749}}^1$

素因数の和:3164

約数の個数: 48

約数和(自身を含む): 3305610000

約数和(自身を除く): 1754459260

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 317, 356, 445, 634, 890, 1268, 1585, 1780, 2749, 3170, 5498, 6340, 10996, 13745, 27490, 28213, 54980, 56426, 112852, 141065, 244661, 282130, 489322, 564260, 871433, 978644, 1223305, 1742866, 2446610, 3485732, 4357165, 4893220, 8714330, 17428660, 77557537, 155115074, 310230148, 387787685, 775575370, 1551150740]

約数ペア:

[(1, 1551150740), (2, 775575370), (4, 387787685), (5, 310230148), (10, 155115074), (20, 77557537), (89, 17428660), (178, 8714330), (317, 4893220), (356, 4357165), (445, 3485732), (634, 2446610), (890, 1742866), (1268, 1223305), (1585, 978644), (1780, 871433), (2749, 564260), (3170, 489322), (5498, 282130), (6340, 244661), (10996, 141065), (13745, 112852), (27490, 56426), (28213, 54980)]