20138184850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{457}}^1\times {\mathrm{919}}^1$

素因数の和:1532

約数の個数: 96

約数和(自身を含む): 43261873920

約数和(自身を除く): 23123689070

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 137, 175, 274, 350, 457, 685, 914, 919, 959, 1370, 1838, 1918, 2285, 3199, 3425, 4570, 4595, 4795, 6398, 6433, 6850, 9190, 9590, 11425, 12866, 15995, 22850, 22975, 23975, 31990, 32165, 45950, 47950, 62609, 64330, 79975, 125218, 125903, 159950, 160825, 251806, 313045, 321650, 419983, 438263, 626090, 629515, 839966, 876526, 881321, 1259030, 1565225, 1762642, 2099915, 2191315, 2939881, 3130450, 3147575, 4199830, 4382630, 4406605, 5879762, 6295150, 8813210, 10499575, 10956575, 14699405, 20999150, 21913150, 22033025, 29398810, 44066050, 57537671, 73497025, 115075342, 146994050, 287688355, 402763697, 575376710, 805527394, 1438441775, 2013818485, 2876883550, 4027636970, 10069092425, 20138184850]

約数ペア:

[(1, 20138184850), (2, 10069092425), (5, 4027636970), (7, 2876883550), (10, 2013818485), (14, 1438441775), (25, 805527394), (35, 575376710), (50, 402763697), (70, 287688355), (137, 146994050), (175, 115075342), (274, 73497025), (350, 57537671), (457, 44066050), (685, 29398810), (914, 22033025), (919, 21913150), (959, 20999150), (1370, 14699405), (1838, 10956575), (1918, 10499575), (2285, 8813210), (3199, 6295150), (3425, 5879762), (4570, 4406605), (4595, 4382630), (4795, 4199830), (6398, 3147575), (6433, 3130450), (6850, 2939881), (9190, 2191315), (9590, 2099915), (11425, 1762642), (12866, 1565225), (15995, 1259030), (22850, 881321), (22975, 876526), (23975, 839966), (31990, 629515), (32165, 626090), (45950, 438263), (47950, 419983), (62609, 321650), (64330, 313045), (79975, 251806), (125218, 160825), (125903, 159950)]