161793100

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:177

約数の個数: 144

約数和(自身を含む): 421848000

約数和(自身を除く): 260054900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 53, 70, 89, 98, 100, 106, 140, 175, 178, 196, 212, 245, 265, 343, 350, 356, 371, 445, 490, 530, 623, 686, 700, 742, 890, 980, 1060, 1225, 1246, 1325, 1372, 1484, 1715, 1780, 1855, 2225, 2450, 2492, 2597, 2650, 3115, 3430, 3710, 4361, 4450, 4717, 4900, 5194, 5300, 6230, 6860, 7420, 8575, 8722, 8900, 9275, 9434, 10388, 12460, 12985, 15575, 17150, 17444, 18179, 18550, 18868, 21805, 23585, 25970, 30527, 31150, 33019, 34300, 36358, 37100, 43610, 47170, 51940, 61054, 62300, 64925, 66038, 72716, 87220, 90895, 94340, 109025, 117925, 122108, 129850, 132076, 152635, 165095, 181790, 218050, 231133, 235850, 259700, 305270, 330190, 363580, 436100, 454475, 462266, 471700, 610540, 660380, 763175, 825475, 908950, 924532, 1155665, 1526350, 1617931, 1650950, 1817900, 2311330, 3052700, 3235862, 3301900, 4622660, 5778325, 6471724, 8089655, 11556650, 16179310, 23113300, 32358620, 40448275, 80896550, 161793100]

約数ペア:

[(1, 161793100), (2, 80896550), (4, 40448275), (5, 32358620), (7, 23113300), (10, 16179310), (14, 11556650), (20, 8089655), (25, 6471724), (28, 5778325), (35, 4622660), (49, 3301900), (50, 3235862), (53, 3052700), (70, 2311330), (89, 1817900), (98, 1650950), (100, 1617931), (106, 1526350), (140, 1155665), (175, 924532), (178, 908950), (196, 825475), (212, 763175), (245, 660380), (265, 610540), (343, 471700), (350, 462266), (356, 454475), (371, 436100), (445, 363580), (490, 330190), (530, 305270), (623, 259700), (686, 235850), (700, 231133), (742, 218050), (890, 181790), (980, 165095), (1060, 152635), (1225, 132076), (1246, 129850), (1325, 122108), (1372, 117925), (1484, 109025), (1715, 94340), (1780, 90895), (1855, 87220), (2225, 72716), (2450, 66038), (2492, 64925), (2597, 62300), (2650, 61054), (3115, 51940), (3430, 47170), (3710, 43610), (4361, 37100), (4450, 36358), (4717, 34300), (4900, 33019), (5194, 31150), (5300, 30527), (6230, 25970), (6860, 23585), (7420, 21805), (8575, 18868), (8722, 18550), (8900, 18179), (9275, 17444), (9434, 17150), (10388, 15575), (12460, 12985)]