1888391260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{6551}}^1$

素因数の和:6667

約数の個数: 96

約数和(自身を含む): 4755179520

約数和(自身を除く): 2866788260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 71, 116, 140, 142, 145, 203, 284, 290, 355, 406, 497, 580, 710, 812, 994, 1015, 1420, 1988, 2030, 2059, 2485, 4060, 4118, 4970, 6551, 8236, 9940, 10295, 13102, 14413, 20590, 26204, 28826, 32755, 41180, 45857, 57652, 65510, 72065, 91714, 131020, 144130, 183428, 189979, 229285, 288260, 379958, 458570, 465121, 759916, 917140, 930242, 949895, 1329853, 1860484, 1899790, 2325605, 2659706, 3255847, 3799580, 4651210, 5319412, 6511694, 6649265, 9302420, 13023388, 13298530, 13488509, 16279235, 26597060, 26977018, 32558470, 53954036, 65116940, 67442545, 94419563, 134885090, 188839126, 269770180, 377678252, 472097815, 944195630, 1888391260]

約数ペア:

[(1, 1888391260), (2, 944195630), (4, 472097815), (5, 377678252), (7, 269770180), (10, 188839126), (14, 134885090), (20, 94419563), (28, 67442545), (29, 65116940), (35, 53954036), (58, 32558470), (70, 26977018), (71, 26597060), (116, 16279235), (140, 13488509), (142, 13298530), (145, 13023388), (203, 9302420), (284, 6649265), (290, 6511694), (355, 5319412), (406, 4651210), (497, 3799580), (580, 3255847), (710, 2659706), (812, 2325605), (994, 1899790), (1015, 1860484), (1420, 1329853), (1988, 949895), (2030, 930242), (2059, 917140), (2485, 759916), (4060, 465121), (4118, 458570), (4970, 379958), (6551, 288260), (8236, 229285), (9940, 189979), (10295, 183428), (13102, 144130), (14413, 131020), (20590, 91714), (26204, 72065), (28826, 65510), (32755, 57652), (41180, 45857)]