1555676990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{619}}^1$

素因数の和:886

約数の個数: 96

約数和(自身を含む): 3419781120

約数和(自身を除く): 1864104130

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 115, 161, 223, 230, 245, 322, 446, 490, 619, 805, 1115, 1127, 1238, 1561, 1610, 2230, 2254, 3095, 3122, 4333, 5129, 5635, 6190, 7805, 8666, 10258, 10927, 11270, 14237, 15610, 21665, 21854, 25645, 28474, 30331, 35903, 43330, 51290, 54635, 60662, 71185, 71806, 99659, 109270, 138037, 142370, 151655, 179515, 199318, 251321, 276074, 303310, 359030, 498295, 502642, 690185, 697613, 966259, 996590, 1256605, 1380370, 1395226, 1932518, 2513210, 3174851, 3488065, 4831295, 6349702, 6763813, 6976130, 9662590, 13527626, 15874255, 22223957, 31748510, 33819065, 44447914, 67638130, 111119785, 155567699, 222239570, 311135398, 777838495, 1555676990]

約数ペア:

[(1, 1555676990), (2, 777838495), (5, 311135398), (7, 222239570), (10, 155567699), (14, 111119785), (23, 67638130), (35, 44447914), (46, 33819065), (49, 31748510), (70, 22223957), (98, 15874255), (115, 13527626), (161, 9662590), (223, 6976130), (230, 6763813), (245, 6349702), (322, 4831295), (446, 3488065), (490, 3174851), (619, 2513210), (805, 1932518), (1115, 1395226), (1127, 1380370), (1238, 1256605), (1561, 996590), (1610, 966259), (2230, 697613), (2254, 690185), (3095, 502642), (3122, 498295), (4333, 359030), (5129, 303310), (5635, 276074), (6190, 251321), (7805, 199318), (8666, 179515), (10258, 151655), (10927, 142370), (11270, 138037), (14237, 109270), (15610, 99659), (21665, 71806), (21854, 71185), (25645, 60662), (28474, 54635), (30331, 51290), (35903, 43330)]