401439888

素因数分解:

$2^4\times 3^6\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:424

約数の個数: 140

約数和(自身を含む): 1179670528

約数和(自身を除く): 778230640

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 127, 144, 162, 216, 243, 254, 271, 324, 381, 432, 486, 508, 542, 648, 729, 762, 813, 972, 1016, 1084, 1143, 1296, 1458, 1524, 1626, 1944, 2032, 2168, 2286, 2439, 2916, 3048, 3252, 3429, 3888, 4336, 4572, 4878, 5832, 6096, 6504, 6858, 7317, 9144, 9756, 10287, 11664, 13008, 13716, 14634, 18288, 19512, 20574, 21951, 27432, 29268, 30861, 34417, 39024, 41148, 43902, 54864, 58536, 61722, 65853, 68834, 82296, 87804, 92583, 103251, 117072, 123444, 131706, 137668, 164592, 175608, 185166, 197559, 206502, 246888, 263412, 275336, 309753, 351216, 370332, 395118, 413004, 493776, 526824, 550672, 619506, 740664, 790236, 826008, 929259, 1053648, 1239012, 1481328, 1580472, 1652016, 1858518, 2478024, 2787777, 3160944, 3717036, 4956048, 5575554, 7434072, 8363331, 11151108, 14868144, 16726662, 22302216, 25089993, 33453324, 44604432, 50179986, 66906648, 100359972, 133813296, 200719944, 401439888]

約数ペア:

[(1, 401439888), (2, 200719944), (3, 133813296), (4, 100359972), (6, 66906648), (8, 50179986), (9, 44604432), (12, 33453324), (16, 25089993), (18, 22302216), (24, 16726662), (27, 14868144), (36, 11151108), (48, 8363331), (54, 7434072), (72, 5575554), (81, 4956048), (108, 3717036), (127, 3160944), (144, 2787777), (162, 2478024), (216, 1858518), (243, 1652016), (254, 1580472), (271, 1481328), (324, 1239012), (381, 1053648), (432, 929259), (486, 826008), (508, 790236), (542, 740664), (648, 619506), (729, 550672), (762, 526824), (813, 493776), (972, 413004), (1016, 395118), (1084, 370332), (1143, 351216), (1296, 309753), (1458, 275336), (1524, 263412), (1626, 246888), (1944, 206502), (2032, 197559), (2168, 185166), (2286, 175608), (2439, 164592), (2916, 137668), (3048, 131706), (3252, 123444), (3429, 117072), (3888, 103251), (4336, 92583), (4572, 87804), (4878, 82296), (5832, 68834), (6096, 65853), (6504, 61722), (6858, 58536), (7317, 54864), (9144, 43902), (9756, 41148), (10287, 39024), (11664, 34417), (13008, 30861), (13716, 29268), (14634, 27432), (18288, 21951), (19512, 20574)]