20218757300

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{111521}}^1$

素因数の和:111586

約数の個数: 108

約数和(自身を含む): 52417793484

約数和(自身を除く): 32199036184

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 37, 49, 50, 70, 74, 98, 100, 140, 148, 175, 185, 196, 245, 259, 350, 370, 490, 518, 700, 740, 925, 980, 1036, 1225, 1295, 1813, 1850, 2450, 2590, 3626, 3700, 4900, 5180, 6475, 7252, 9065, 12950, 18130, 25900, 36260, 45325, 90650, 111521, 181300, 223042, 446084, 557605, 780647, 1115210, 1561294, 2230420, 2788025, 3122588, 3903235, 4126277, 5464529, 5576050, 7806470, 8252554, 10929058, 11152100, 15612940, 16505108, 19516175, 20631385, 21858116, 27322645, 28883939, 39032350, 41262770, 54645290, 57767878, 78064700, 82525540, 103156925, 109290580, 115535756, 136613225, 144419695, 202187573, 206313850, 273226450, 288839390, 404375146, 412627700, 546452900, 577678780, 722098475, 808750292, 1010937865, 1444196950, 2021875730, 2888393900, 4043751460, 5054689325, 10109378650, 20218757300]

約数ペア:

[(1, 20218757300), (2, 10109378650), (4, 5054689325), (5, 4043751460), (7, 2888393900), (10, 2021875730), (14, 1444196950), (20, 1010937865), (25, 808750292), (28, 722098475), (35, 577678780), (37, 546452900), (49, 412627700), (50, 404375146), (70, 288839390), (74, 273226450), (98, 206313850), (100, 202187573), (140, 144419695), (148, 136613225), (175, 115535756), (185, 109290580), (196, 103156925), (245, 82525540), (259, 78064700), (350, 57767878), (370, 54645290), (490, 41262770), (518, 39032350), (700, 28883939), (740, 27322645), (925, 21858116), (980, 20631385), (1036, 19516175), (1225, 16505108), (1295, 15612940), (1813, 11152100), (1850, 10929058), (2450, 8252554), (2590, 7806470), (3626, 5576050), (3700, 5464529), (4900, 4126277), (5180, 3903235), (6475, 3122588), (7252, 2788025), (9065, 2230420), (12950, 1561294), (18130, 1115210), (25900, 780647), (36260, 557605), (45325, 446084), (90650, 223042), (111521, 181300)]