71737900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{397}}^1$

素因数の和:563

約数の個数: 72

約数和(自身を含む): 169277360

約数和(自身を除く): 97539460

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 139, 260, 278, 325, 397, 556, 650, 695, 794, 1300, 1390, 1588, 1807, 1985, 2780, 3475, 3614, 3970, 5161, 6950, 7228, 7940, 9035, 9925, 10322, 13900, 18070, 19850, 20644, 25805, 36140, 39700, 45175, 51610, 55183, 90350, 103220, 110366, 129025, 180700, 220732, 258050, 275915, 516100, 551830, 717379, 1103660, 1379575, 1434758, 2759150, 2869516, 3586895, 5518300, 7173790, 14347580, 17934475, 35868950, 71737900]

約数ペア:

[(1, 71737900), (2, 35868950), (4, 17934475), (5, 14347580), (10, 7173790), (13, 5518300), (20, 3586895), (25, 2869516), (26, 2759150), (50, 1434758), (52, 1379575), (65, 1103660), (100, 717379), (130, 551830), (139, 516100), (260, 275915), (278, 258050), (325, 220732), (397, 180700), (556, 129025), (650, 110366), (695, 103220), (794, 90350), (1300, 55183), (1390, 51610), (1588, 45175), (1807, 39700), (1985, 36140), (2780, 25805), (3475, 20644), (3614, 19850), (3970, 18070), (5161, 13900), (6950, 10322), (7228, 9925), (7940, 9035)]