1520647900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{2557}}^1$

素因数の和:2903

約数の個数: 72

約数和(自身を含む): 3485940080

約数和(自身を除く): 1965292180

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 313, 380, 475, 626, 950, 1252, 1565, 1900, 2557, 3130, 5114, 5947, 6260, 7825, 10228, 11894, 12785, 15650, 23788, 25570, 29735, 31300, 48583, 51140, 59470, 63925, 97166, 118940, 127850, 148675, 194332, 242915, 255700, 297350, 485830, 594700, 800341, 971660, 1214575, 1600682, 2429150, 3201364, 4001705, 4858300, 8003410, 15206479, 16006820, 20008525, 30412958, 40017050, 60825916, 76032395, 80034100, 152064790, 304129580, 380161975, 760323950, 1520647900]

約数ペア:

[(1, 1520647900), (2, 760323950), (4, 380161975), (5, 304129580), (10, 152064790), (19, 80034100), (20, 76032395), (25, 60825916), (38, 40017050), (50, 30412958), (76, 20008525), (95, 16006820), (100, 15206479), (190, 8003410), (313, 4858300), (380, 4001705), (475, 3201364), (626, 2429150), (950, 1600682), (1252, 1214575), (1565, 971660), (1900, 800341), (2557, 594700), (3130, 485830), (5114, 297350), (5947, 255700), (6260, 242915), (7825, 194332), (10228, 148675), (11894, 127850), (12785, 118940), (15650, 97166), (23788, 63925), (25570, 59470), (29735, 51140), (31300, 48583)]