19724100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:210

約数の個数: 144

約数和(自身を含む): 64162560

約数和(自身を除く): 44438460

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 43, 44, 50, 55, 60, 66, 75, 86, 100, 110, 129, 132, 139, 150, 165, 172, 215, 220, 258, 275, 278, 300, 330, 417, 430, 473, 516, 550, 556, 645, 660, 695, 825, 834, 860, 946, 1075, 1100, 1290, 1390, 1419, 1529, 1650, 1668, 1892, 2085, 2150, 2365, 2580, 2780, 2838, 3058, 3225, 3300, 3475, 4170, 4300, 4587, 4730, 5676, 5977, 6116, 6450, 6950, 7095, 7645, 8340, 9174, 9460, 10425, 11825, 11954, 12900, 13900, 14190, 15290, 17931, 18348, 20850, 22935, 23650, 23908, 28380, 29885, 30580, 35475, 35862, 38225, 41700, 45870, 47300, 59770, 65747, 70950, 71724, 76450, 89655, 91740, 114675, 119540, 131494, 141900, 149425, 152900, 179310, 197241, 229350, 262988, 298850, 328735, 358620, 394482, 448275, 458700, 597700, 657470, 788964, 896550, 986205, 1314940, 1643675, 1793100, 1972410, 3287350, 3944820, 4931025, 6574700, 9862050, 19724100]

約数ペア:

[(1, 19724100), (2, 9862050), (3, 6574700), (4, 4931025), (5, 3944820), (6, 3287350), (10, 1972410), (11, 1793100), (12, 1643675), (15, 1314940), (20, 986205), (22, 896550), (25, 788964), (30, 657470), (33, 597700), (43, 458700), (44, 448275), (50, 394482), (55, 358620), (60, 328735), (66, 298850), (75, 262988), (86, 229350), (100, 197241), (110, 179310), (129, 152900), (132, 149425), (139, 141900), (150, 131494), (165, 119540), (172, 114675), (215, 91740), (220, 89655), (258, 76450), (275, 71724), (278, 70950), (300, 65747), (330, 59770), (417, 47300), (430, 45870), (473, 41700), (516, 38225), (550, 35862), (556, 35475), (645, 30580), (660, 29885), (695, 28380), (825, 23908), (834, 23650), (860, 22935), (946, 20850), (1075, 18348), (1100, 17931), (1290, 15290), (1390, 14190), (1419, 13900), (1529, 12900), (1650, 11954), (1668, 11825), (1892, 10425), (2085, 9460), (2150, 9174), (2365, 8340), (2580, 7645), (2780, 7095), (2838, 6950), (3058, 6450), (3225, 6116), (3300, 5977), (3475, 5676), (4170, 4730), (4300, 4587)]