90505688

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:217

約数の個数: 128

約数和(自身を含む): 226437120

約数和(自身を除く): 135931432

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 52, 56, 68, 71, 91, 103, 104, 119, 136, 142, 182, 206, 221, 238, 284, 364, 412, 442, 476, 497, 568, 721, 728, 824, 884, 923, 952, 994, 1207, 1339, 1442, 1547, 1751, 1768, 1846, 1988, 2414, 2678, 2884, 3094, 3502, 3692, 3976, 4828, 5356, 5768, 6188, 6461, 7004, 7313, 7384, 8449, 9373, 9656, 10712, 12257, 12376, 12922, 14008, 14626, 15691, 16898, 18746, 22763, 24514, 25844, 29252, 31382, 33796, 37492, 45526, 49028, 51191, 51688, 58504, 62764, 67592, 74984, 91052, 95069, 98056, 102382, 109837, 124321, 125528, 159341, 182104, 190138, 204764, 219674, 248642, 318682, 380276, 409528, 439348, 497284, 637364, 665483, 760552, 870247, 878696, 994568, 1274728, 1330966, 1616173, 1740494, 2661932, 3232346, 3480988, 5323864, 6464692, 6961976, 11313211, 12929384, 22626422, 45252844, 90505688]

約数ペア:

[(1, 90505688), (2, 45252844), (4, 22626422), (7, 12929384), (8, 11313211), (13, 6961976), (14, 6464692), (17, 5323864), (26, 3480988), (28, 3232346), (34, 2661932), (52, 1740494), (56, 1616173), (68, 1330966), (71, 1274728), (91, 994568), (103, 878696), (104, 870247), (119, 760552), (136, 665483), (142, 637364), (182, 497284), (206, 439348), (221, 409528), (238, 380276), (284, 318682), (364, 248642), (412, 219674), (442, 204764), (476, 190138), (497, 182104), (568, 159341), (721, 125528), (728, 124321), (824, 109837), (884, 102382), (923, 98056), (952, 95069), (994, 91052), (1207, 74984), (1339, 67592), (1442, 62764), (1547, 58504), (1751, 51688), (1768, 51191), (1846, 49028), (1988, 45526), (2414, 37492), (2678, 33796), (2884, 31382), (3094, 29252), (3502, 25844), (3692, 24514), (3976, 22763), (4828, 18746), (5356, 16898), (5768, 15691), (6188, 14626), (6461, 14008), (7004, 12922), (7313, 12376), (7384, 12257), (8449, 10712), (9373, 9656)]