261325900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{673}}^1$

素因数の和:1051

約数の個数: 72

約数和(自身を含む): 621303984

約数和(自身を除く): 359978084

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 353, 550, 673, 706, 1100, 1346, 1412, 1765, 2692, 3365, 3530, 3883, 6730, 7060, 7403, 7766, 8825, 13460, 14806, 15532, 16825, 17650, 19415, 29612, 33650, 35300, 37015, 38830, 67300, 74030, 77660, 97075, 148060, 185075, 194150, 237569, 370150, 388300, 475138, 740300, 950276, 1187845, 2375690, 2613259, 4751380, 5226518, 5939225, 10453036, 11878450, 13066295, 23756900, 26132590, 52265180, 65331475, 130662950, 261325900]

約数ペア:

[(1, 261325900), (2, 130662950), (4, 65331475), (5, 52265180), (10, 26132590), (11, 23756900), (20, 13066295), (22, 11878450), (25, 10453036), (44, 5939225), (50, 5226518), (55, 4751380), (100, 2613259), (110, 2375690), (220, 1187845), (275, 950276), (353, 740300), (550, 475138), (673, 388300), (706, 370150), (1100, 237569), (1346, 194150), (1412, 185075), (1765, 148060), (2692, 97075), (3365, 77660), (3530, 74030), (3883, 67300), (6730, 38830), (7060, 37015), (7403, 35300), (7766, 33650), (8825, 29612), (13460, 19415), (14806, 17650), (15532, 16825)]