211799440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2083}}^1$

素因数の和:2168

約数の個数: 80

約数和(自身を含む): 520966656

約数和(自身を除く): 309167216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 80, 82, 124, 155, 164, 205, 248, 310, 328, 410, 496, 620, 656, 820, 1240, 1271, 1640, 2083, 2480, 2542, 3280, 4166, 5084, 6355, 8332, 10168, 10415, 12710, 16664, 20336, 20830, 25420, 33328, 41660, 50840, 64573, 83320, 85403, 101680, 129146, 166640, 170806, 258292, 322865, 341612, 427015, 516584, 645730, 683224, 854030, 1033168, 1291460, 1366448, 1708060, 2582920, 2647493, 3416120, 5165840, 5294986, 6832240, 10589972, 13237465, 21179944, 26474930, 42359888, 52949860, 105899720, 211799440]

約数ペア:

[(1, 211799440), (2, 105899720), (4, 52949860), (5, 42359888), (8, 26474930), (10, 21179944), (16, 13237465), (20, 10589972), (31, 6832240), (40, 5294986), (41, 5165840), (62, 3416120), (80, 2647493), (82, 2582920), (124, 1708060), (155, 1366448), (164, 1291460), (205, 1033168), (248, 854030), (310, 683224), (328, 645730), (410, 516584), (496, 427015), (620, 341612), (656, 322865), (820, 258292), (1240, 170806), (1271, 166640), (1640, 129146), (2083, 101680), (2480, 85403), (2542, 83320), (3280, 64573), (4166, 50840), (5084, 41660), (6355, 33328), (8332, 25420), (10168, 20830), (10415, 20336), (12710, 16664)]