401574992

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:138

約数の個数: 180

約数和(自身を含む): 1031723028

約数和(自身を除く): 630148036

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 41, 49, 52, 56, 62, 82, 91, 98, 104, 112, 124, 164, 182, 196, 208, 217, 248, 287, 328, 364, 392, 403, 434, 496, 533, 574, 637, 656, 728, 784, 806, 868, 961, 1066, 1148, 1271, 1274, 1456, 1519, 1612, 1736, 1922, 2009, 2132, 2296, 2542, 2548, 2821, 3038, 3224, 3472, 3731, 3844, 4018, 4264, 4592, 5084, 5096, 5642, 6076, 6448, 6727, 7462, 7688, 8036, 8528, 8897, 10168, 10192, 11284, 12152, 12493, 13454, 14924, 15376, 16072, 16523, 17794, 19747, 20336, 22568, 24304, 24986, 26117, 26908, 29848, 32144, 33046, 35588, 39401, 39494, 45136, 47089, 49972, 52234, 53816, 59696, 62279, 66092, 71176, 78802, 78988, 87451, 94178, 99944, 104468, 107632, 115661, 124558, 132184, 142352, 157604, 157976, 174902, 188356, 199888, 208936, 231322, 249116, 264368, 275807, 315208, 315952, 349804, 376712, 417872, 462644, 498232, 512213, 551614, 612157, 630416, 699608, 753424, 809627, 925288, 996464, 1024426, 1103228, 1224314, 1399216, 1619254, 1850576, 1930649, 2048852, 2206456, 2448628, 3238508, 3585491, 3861298, 4097704, 4412912, 4897256, 6477016, 7170982, 7722596, 8195408, 9794512, 12954032, 14341964, 15445192, 25098437, 28683928, 30890384, 50196874, 57367856, 100393748, 200787496, 401574992]

約数ペア:

[(1, 401574992), (2, 200787496), (4, 100393748), (7, 57367856), (8, 50196874), (13, 30890384), (14, 28683928), (16, 25098437), (26, 15445192), (28, 14341964), (31, 12954032), (41, 9794512), (49, 8195408), (52, 7722596), (56, 7170982), (62, 6477016), (82, 4897256), (91, 4412912), (98, 4097704), (104, 3861298), (112, 3585491), (124, 3238508), (164, 2448628), (182, 2206456), (196, 2048852), (208, 1930649), (217, 1850576), (248, 1619254), (287, 1399216), (328, 1224314), (364, 1103228), (392, 1024426), (403, 996464), (434, 925288), (496, 809627), (533, 753424), (574, 699608), (637, 630416), (656, 612157), (728, 551614), (784, 512213), (806, 498232), (868, 462644), (961, 417872), (1066, 376712), (1148, 349804), (1271, 315952), (1274, 315208), (1456, 275807), (1519, 264368), (1612, 249116), (1736, 231322), (1922, 208936), (2009, 199888), (2132, 188356), (2296, 174902), (2542, 157976), (2548, 157604), (2821, 142352), (3038, 132184), (3224, 124558), (3472, 115661), (3731, 107632), (3844, 104468), (4018, 99944), (4264, 94178), (4592, 87451), (5084, 78988), (5096, 78802), (5642, 71176), (6076, 66092), (6448, 62279), (6727, 59696), (7462, 53816), (7688, 52234), (8036, 49972), (8528, 47089), (8897, 45136), (10168, 39494), (10192, 39401), (11284, 35588), (12152, 33046), (12493, 32144), (13454, 29848), (14924, 26908), (15376, 26117), (16072, 24986), (16523, 24304), (17794, 22568), (19747, 20336)]