1820484280

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{29611}}^1$

素因数の和:29704

約数の個数: 64

約数和(自身を含む): 4317429600

約数和(自身を除く): 2496945320

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 53, 58, 106, 116, 145, 212, 232, 265, 290, 424, 530, 580, 1060, 1160, 1537, 2120, 3074, 6148, 7685, 12296, 15370, 29611, 30740, 59222, 61480, 118444, 148055, 236888, 296110, 592220, 858719, 1184440, 1569383, 1717438, 3138766, 3434876, 4293595, 6277532, 6869752, 7846915, 8587190, 12555064, 15693830, 17174380, 31387660, 34348760, 45512107, 62775320, 91024214, 182048428, 227560535, 364096856, 455121070, 910242140, 1820484280]

約数ペア:

[(1, 1820484280), (2, 910242140), (4, 455121070), (5, 364096856), (8, 227560535), (10, 182048428), (20, 91024214), (29, 62775320), (40, 45512107), (53, 34348760), (58, 31387660), (106, 17174380), (116, 15693830), (145, 12555064), (212, 8587190), (232, 7846915), (265, 6869752), (290, 6277532), (424, 4293595), (530, 3434876), (580, 3138766), (1060, 1717438), (1160, 1569383), (1537, 1184440), (2120, 858719), (3074, 592220), (6148, 296110), (7685, 236888), (12296, 148055), (15370, 118444), (29611, 61480), (30740, 59222)]