138711856

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{359}}^1$

素因数の和:458

約数の個数: 80

約数和(自身を含む): 299980800

約数和(自身を除く): 161268944

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 41, 62, 76, 82, 124, 152, 164, 248, 304, 328, 359, 496, 589, 656, 718, 779, 1178, 1271, 1436, 1558, 2356, 2542, 2872, 3116, 4712, 5084, 5744, 6232, 6821, 9424, 10168, 11129, 12464, 13642, 14719, 20336, 22258, 24149, 27284, 29438, 44516, 48298, 54568, 58876, 89032, 96596, 109136, 117752, 178064, 193192, 211451, 235504, 279661, 386384, 422902, 456289, 559322, 845804, 912578, 1118644, 1691608, 1825156, 2237288, 3383216, 3650312, 4474576, 7300624, 8669491, 17338982, 34677964, 69355928, 138711856]

約数ペア:

[(1, 138711856), (2, 69355928), (4, 34677964), (8, 17338982), (16, 8669491), (19, 7300624), (31, 4474576), (38, 3650312), (41, 3383216), (62, 2237288), (76, 1825156), (82, 1691608), (124, 1118644), (152, 912578), (164, 845804), (248, 559322), (304, 456289), (328, 422902), (359, 386384), (496, 279661), (589, 235504), (656, 211451), (718, 193192), (779, 178064), (1178, 117752), (1271, 109136), (1436, 96596), (1558, 89032), (2356, 58876), (2542, 54568), (2872, 48298), (3116, 44516), (4712, 29438), (5084, 27284), (5744, 24149), (6232, 22258), (6821, 20336), (9424, 14719), (10168, 13642), (11129, 12464)]