284556420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{20011}}^1$

素因数の和:20105

約数の個数: 72

約数和(自身を含む): 874124160

約数和(自身を除く): 589567740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2370, 2844, 3555, 4740, 7110, 14220, 20011, 40022, 60033, 80044, 100055, 120066, 180099, 200110, 240132, 300165, 360198, 400220, 600330, 720396, 900495, 1200660, 1580869, 1800990, 3161738, 3601980, 4742607, 6323476, 7904345, 9485214, 14227821, 15808690, 18970428, 23713035, 28455642, 31617380, 47426070, 56911284, 71139105, 94852140, 142278210, 284556420]

約数ペア:

[(1, 284556420), (2, 142278210), (3, 94852140), (4, 71139105), (5, 56911284), (6, 47426070), (9, 31617380), (10, 28455642), (12, 23713035), (15, 18970428), (18, 15808690), (20, 14227821), (30, 9485214), (36, 7904345), (45, 6323476), (60, 4742607), (79, 3601980), (90, 3161738), (158, 1800990), (180, 1580869), (237, 1200660), (316, 900495), (395, 720396), (474, 600330), (711, 400220), (790, 360198), (948, 300165), (1185, 240132), (1422, 200110), (1580, 180099), (2370, 120066), (2844, 100055), (3555, 80044), (4740, 60033), (7110, 40022), (14220, 20011)]