84745540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{359}}^1$

素因数の和:445

約数の個数: 96

約数和(自身を含む): 206841600

約数和(自身を除く): 122096060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 37, 44, 55, 58, 74, 110, 116, 145, 148, 185, 220, 290, 319, 359, 370, 407, 580, 638, 718, 740, 814, 1073, 1276, 1436, 1595, 1628, 1795, 2035, 2146, 3190, 3590, 3949, 4070, 4292, 5365, 6380, 7180, 7898, 8140, 10411, 10730, 11803, 13283, 15796, 19745, 20822, 21460, 23606, 26566, 39490, 41644, 47212, 52055, 53132, 59015, 66415, 78980, 104110, 114521, 118030, 132830, 146113, 208220, 229042, 236060, 265660, 292226, 385207, 458084, 572605, 584452, 730565, 770414, 1145210, 1461130, 1540828, 1926035, 2290420, 2922260, 3852070, 4237277, 7704140, 8474554, 16949108, 21186385, 42372770, 84745540]

約数ペア:

[(1, 84745540), (2, 42372770), (4, 21186385), (5, 16949108), (10, 8474554), (11, 7704140), (20, 4237277), (22, 3852070), (29, 2922260), (37, 2290420), (44, 1926035), (55, 1540828), (58, 1461130), (74, 1145210), (110, 770414), (116, 730565), (145, 584452), (148, 572605), (185, 458084), (220, 385207), (290, 292226), (319, 265660), (359, 236060), (370, 229042), (407, 208220), (580, 146113), (638, 132830), (718, 118030), (740, 114521), (814, 104110), (1073, 78980), (1276, 66415), (1436, 59015), (1595, 53132), (1628, 52055), (1795, 47212), (2035, 41644), (2146, 39490), (3190, 26566), (3590, 23606), (3949, 21460), (4070, 20822), (4292, 19745), (5365, 15796), (6380, 13283), (7180, 11803), (7898, 10730), (8140, 10411)]