208796070

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1$

素因数の和:490

約数の個数: 128

約数和(自身を含む): 603832320

約数和(自身を除く): 395036250

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 69, 70, 105, 115, 138, 139, 161, 210, 230, 278, 311, 322, 345, 417, 483, 622, 690, 695, 805, 834, 933, 966, 973, 1390, 1555, 1610, 1866, 1946, 2085, 2177, 2415, 2919, 3110, 3197, 4170, 4354, 4665, 4830, 4865, 5838, 6394, 6531, 7153, 9330, 9591, 9730, 10885, 13062, 14306, 14595, 15985, 19182, 21459, 21770, 22379, 29190, 31970, 32655, 35765, 42918, 43229, 44758, 47955, 50071, 65310, 67137, 71530, 86458, 95910, 100142, 107295, 111895, 129687, 134274, 150213, 214590, 216145, 223790, 250355, 259374, 300426, 302603, 335685, 432290, 500710, 605206, 648435, 671370, 751065, 907809, 994267, 1296870, 1502130, 1513015, 1815618, 1988534, 2982801, 3026030, 4539045, 4971335, 5965602, 6959869, 9078090, 9942670, 13919738, 14914005, 20879607, 29828010, 34799345, 41759214, 69598690, 104398035, 208796070]

約数ペア:

[(1, 208796070), (2, 104398035), (3, 69598690), (5, 41759214), (6, 34799345), (7, 29828010), (10, 20879607), (14, 14914005), (15, 13919738), (21, 9942670), (23, 9078090), (30, 6959869), (35, 5965602), (42, 4971335), (46, 4539045), (69, 3026030), (70, 2982801), (105, 1988534), (115, 1815618), (138, 1513015), (139, 1502130), (161, 1296870), (210, 994267), (230, 907809), (278, 751065), (311, 671370), (322, 648435), (345, 605206), (417, 500710), (483, 432290), (622, 335685), (690, 302603), (695, 300426), (805, 259374), (834, 250355), (933, 223790), (966, 216145), (973, 214590), (1390, 150213), (1555, 134274), (1610, 129687), (1866, 111895), (1946, 107295), (2085, 100142), (2177, 95910), (2415, 86458), (2919, 71530), (3110, 67137), (3197, 65310), (4170, 50071), (4354, 47955), (4665, 44758), (4830, 43229), (4865, 42918), (5838, 35765), (6394, 32655), (6531, 31970), (7153, 29190), (9330, 22379), (9591, 21770), (9730, 21459), (10885, 19182), (13062, 15985), (14306, 14595)]