201711220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{2221}}^1$

素因数の和:2488

約数の個数: 48

約数和(自身を含む): 447955200

約数和(自身を除く): 246243980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 239, 380, 478, 956, 1195, 2221, 2390, 4442, 4541, 4780, 8884, 9082, 11105, 18164, 22210, 22705, 42199, 44420, 45410, 84398, 90820, 168796, 210995, 421990, 530819, 843980, 1061638, 2123276, 2654095, 5308190, 10085561, 10616380, 20171122, 40342244, 50427805, 100855610, 201711220]

約数ペア:

[(1, 201711220), (2, 100855610), (4, 50427805), (5, 40342244), (10, 20171122), (19, 10616380), (20, 10085561), (38, 5308190), (76, 2654095), (95, 2123276), (190, 1061638), (239, 843980), (380, 530819), (478, 421990), (956, 210995), (1195, 168796), (2221, 90820), (2390, 84398), (4442, 45410), (4541, 44420), (4780, 42199), (8884, 22705), (9082, 22210), (11105, 18164)]