2137492720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{5483}}^1$

素因数の和:5950

約数の個数: 80

約数和(自身を含む): 5434687872

約数和(自身を除く): 3297195152

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 443, 880, 886, 1772, 2215, 3544, 4430, 4873, 5483, 7088, 8860, 9746, 10966, 17720, 19492, 21932, 24365, 27415, 35440, 38984, 43864, 48730, 54830, 60313, 77968, 87728, 97460, 109660, 120626, 194920, 219320, 241252, 301565, 389840, 438640, 482504, 603130, 965008, 1206260, 2412520, 2428969, 4825040, 4857938, 9715876, 12144845, 19431752, 24289690, 26718659, 38863504, 48579380, 53437318, 97158760, 106874636, 133593295, 194317520, 213749272, 267186590, 427498544, 534373180, 1068746360, 2137492720]

約数ペア:

[(1, 2137492720), (2, 1068746360), (4, 534373180), (5, 427498544), (8, 267186590), (10, 213749272), (11, 194317520), (16, 133593295), (20, 106874636), (22, 97158760), (40, 53437318), (44, 48579380), (55, 38863504), (80, 26718659), (88, 24289690), (110, 19431752), (176, 12144845), (220, 9715876), (440, 4857938), (443, 4825040), (880, 2428969), (886, 2412520), (1772, 1206260), (2215, 965008), (3544, 603130), (4430, 482504), (4873, 438640), (5483, 389840), (7088, 301565), (8860, 241252), (9746, 219320), (10966, 194920), (17720, 120626), (19492, 109660), (21932, 97460), (24365, 87728), (27415, 77968), (35440, 60313), (38984, 54830), (43864, 48730)]