400816856

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:134

約数の個数: 144

約数和(自身を含む): 924275520

約数和(自身を除く): 523458664

約数列:

[1, 2, 4, 8, 11, 19, 22, 31, 37, 38, 44, 62, 74, 76, 88, 121, 124, 148, 152, 209, 242, 248, 296, 341, 361, 407, 418, 484, 589, 682, 703, 722, 814, 836, 968, 1147, 1178, 1364, 1406, 1444, 1628, 1672, 2294, 2299, 2356, 2728, 2812, 2888, 3256, 3751, 3971, 4477, 4588, 4598, 4712, 5624, 6479, 7502, 7733, 7942, 8954, 9176, 9196, 11191, 12617, 12958, 13357, 15004, 15466, 15884, 17908, 18392, 21793, 22382, 25234, 25916, 26714, 30008, 30932, 31768, 35816, 43586, 43681, 44764, 50468, 51832, 53428, 61864, 71269, 85063, 87172, 87362, 89528, 100936, 106856, 123101, 138787, 142538, 146927, 170126, 174344, 174724, 239723, 246202, 277574, 285076, 293854, 340252, 349448, 414067, 479446, 492404, 555148, 570152, 587708, 680504, 828134, 958892, 984808, 1110296, 1175416, 1354111, 1616197, 1656268, 1917784, 2636953, 2708222, 3232394, 3312536, 4554737, 5273906, 5416444, 6464788, 9109474, 10547812, 10832888, 12929576, 18218948, 21095624, 36437896, 50102107, 100204214, 200408428, 400816856]

約数ペア:

[(1, 400816856), (2, 200408428), (4, 100204214), (8, 50102107), (11, 36437896), (19, 21095624), (22, 18218948), (31, 12929576), (37, 10832888), (38, 10547812), (44, 9109474), (62, 6464788), (74, 5416444), (76, 5273906), (88, 4554737), (121, 3312536), (124, 3232394), (148, 2708222), (152, 2636953), (209, 1917784), (242, 1656268), (248, 1616197), (296, 1354111), (341, 1175416), (361, 1110296), (407, 984808), (418, 958892), (484, 828134), (589, 680504), (682, 587708), (703, 570152), (722, 555148), (814, 492404), (836, 479446), (968, 414067), (1147, 349448), (1178, 340252), (1364, 293854), (1406, 285076), (1444, 277574), (1628, 246202), (1672, 239723), (2294, 174724), (2299, 174344), (2356, 170126), (2728, 146927), (2812, 142538), (2888, 138787), (3256, 123101), (3751, 106856), (3971, 100936), (4477, 89528), (4588, 87362), (4598, 87172), (4712, 85063), (5624, 71269), (6479, 61864), (7502, 53428), (7733, 51832), (7942, 50468), (8954, 44764), (9176, 43681), (9196, 43586), (11191, 35816), (12617, 31768), (12958, 30932), (13357, 30008), (15004, 26714), (15466, 25916), (15884, 25234), (17908, 22382), (18392, 21793)]