195860720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1699}}^1$

素因数の和:1854

約数の個数: 80

約数和(自身を含む): 500860800

約数和(自身を除く): 305000080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 131, 176, 220, 262, 440, 524, 655, 880, 1048, 1310, 1441, 1699, 2096, 2620, 2882, 3398, 5240, 5764, 6796, 7205, 8495, 10480, 11528, 13592, 14410, 16990, 18689, 23056, 27184, 28820, 33980, 37378, 57640, 67960, 74756, 93445, 115280, 135920, 149512, 186890, 222569, 299024, 373780, 445138, 747560, 890276, 1112845, 1495120, 1780552, 2225690, 2448259, 3561104, 4451380, 4896518, 8902760, 9793036, 12241295, 17805520, 19586072, 24482590, 39172144, 48965180, 97930360, 195860720]

約数ペア:

[(1, 195860720), (2, 97930360), (4, 48965180), (5, 39172144), (8, 24482590), (10, 19586072), (11, 17805520), (16, 12241295), (20, 9793036), (22, 8902760), (40, 4896518), (44, 4451380), (55, 3561104), (80, 2448259), (88, 2225690), (110, 1780552), (131, 1495120), (176, 1112845), (220, 890276), (262, 747560), (440, 445138), (524, 373780), (655, 299024), (880, 222569), (1048, 186890), (1310, 149512), (1441, 135920), (1699, 115280), (2096, 93445), (2620, 74756), (2882, 67960), (3398, 57640), (5240, 37378), (5764, 33980), (6796, 28820), (7205, 27184), (8495, 23056), (10480, 18689), (11528, 16990), (13592, 14410)]