15943300

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 36942080

約数和(自身を除く): 20998780

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 37, 50, 62, 74, 100, 124, 139, 148, 155, 185, 278, 310, 370, 556, 620, 695, 740, 775, 925, 1147, 1390, 1550, 1850, 2294, 2780, 3100, 3475, 3700, 4309, 4588, 5143, 5735, 6950, 8618, 10286, 11470, 13900, 17236, 20572, 21545, 22940, 25715, 28675, 43090, 51430, 57350, 86180, 102860, 107725, 114700, 128575, 159433, 215450, 257150, 318866, 430900, 514300, 637732, 797165, 1594330, 3188660, 3985825, 7971650, 15943300]

約数ペア:

[(1, 15943300), (2, 7971650), (4, 3985825), (5, 3188660), (10, 1594330), (20, 797165), (25, 637732), (31, 514300), (37, 430900), (50, 318866), (62, 257150), (74, 215450), (100, 159433), (124, 128575), (139, 114700), (148, 107725), (155, 102860), (185, 86180), (278, 57350), (310, 51430), (370, 43090), (556, 28675), (620, 25715), (695, 22940), (740, 21545), (775, 20572), (925, 17236), (1147, 13900), (1390, 11470), (1550, 10286), (1850, 8618), (2294, 6950), (2780, 5735), (3100, 5143), (3475, 4588), (3700, 4309)]