285425308

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1$

素因数の和:140

約数の個数: 144

約数和(自身を含む): 674279424

約数和(自身を除く): 388854116

約数列:

[1, 2, 4, 7, 14, 17, 23, 28, 29, 31, 34, 46, 58, 62, 68, 92, 116, 119, 124, 161, 203, 217, 238, 322, 391, 406, 434, 476, 493, 527, 644, 667, 713, 782, 812, 841, 868, 899, 986, 1054, 1334, 1426, 1564, 1682, 1798, 1972, 2108, 2668, 2737, 2852, 3364, 3451, 3596, 3689, 4669, 4991, 5474, 5887, 6293, 6902, 7378, 9338, 9982, 10948, 11339, 11774, 12121, 12586, 13804, 14297, 14756, 15283, 18676, 19343, 19964, 20677, 22678, 23548, 24242, 25172, 26071, 28594, 30566, 38686, 41354, 45356, 48484, 52142, 57188, 61132, 77372, 79373, 82708, 84847, 100079, 104284, 106981, 135401, 144739, 158746, 169694, 182497, 200158, 213962, 270802, 289478, 317492, 328831, 339388, 351509, 364994, 400316, 427924, 443207, 541604, 578956, 599633, 657662, 703018, 729988, 886414, 1199266, 1315324, 1406036, 1772828, 2301817, 2398532, 2460563, 3102449, 4197431, 4603634, 4921126, 6204898, 8394862, 9207268, 9842252, 10193761, 12409796, 16789724, 20387522, 40775044, 71356327, 142712654, 285425308]

約数ペア:

[(1, 285425308), (2, 142712654), (4, 71356327), (7, 40775044), (14, 20387522), (17, 16789724), (23, 12409796), (28, 10193761), (29, 9842252), (31, 9207268), (34, 8394862), (46, 6204898), (58, 4921126), (62, 4603634), (68, 4197431), (92, 3102449), (116, 2460563), (119, 2398532), (124, 2301817), (161, 1772828), (203, 1406036), (217, 1315324), (238, 1199266), (322, 886414), (391, 729988), (406, 703018), (434, 657662), (476, 599633), (493, 578956), (527, 541604), (644, 443207), (667, 427924), (713, 400316), (782, 364994), (812, 351509), (841, 339388), (868, 328831), (899, 317492), (986, 289478), (1054, 270802), (1334, 213962), (1426, 200158), (1564, 182497), (1682, 169694), (1798, 158746), (1972, 144739), (2108, 135401), (2668, 106981), (2737, 104284), (2852, 100079), (3364, 84847), (3451, 82708), (3596, 79373), (3689, 77372), (4669, 61132), (4991, 57188), (5474, 52142), (5887, 48484), (6293, 45356), (6902, 41354), (7378, 38686), (9338, 30566), (9982, 28594), (10948, 26071), (11339, 25172), (11774, 24242), (12121, 23548), (12586, 22678), (13804, 20677), (14297, 19964), (14756, 19343), (15283, 18676)]