205720242

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{7109}}^1$

素因数の和:7187

約数の個数: 64

約数和(自身を含む): 516015360

約数和(自身を除く): 310295118

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 53, 78, 91, 106, 159, 182, 273, 318, 371, 546, 689, 742, 1113, 1378, 2067, 2226, 4134, 4823, 7109, 9646, 14218, 14469, 21327, 28938, 42654, 49763, 92417, 99526, 149289, 184834, 277251, 298578, 376777, 554502, 646919, 753554, 1130331, 1293838, 1940757, 2260662, 2637439, 3881514, 4898101, 5274878, 7912317, 9796202, 14694303, 15824634, 29388606, 34286707, 68573414, 102860121, 205720242]

約数ペア:

[(1, 205720242), (2, 102860121), (3, 68573414), (6, 34286707), (7, 29388606), (13, 15824634), (14, 14694303), (21, 9796202), (26, 7912317), (39, 5274878), (42, 4898101), (53, 3881514), (78, 2637439), (91, 2260662), (106, 1940757), (159, 1293838), (182, 1130331), (273, 753554), (318, 646919), (371, 554502), (546, 376777), (689, 298578), (742, 277251), (1113, 184834), (1378, 149289), (2067, 99526), (2226, 92417), (4134, 49763), (4823, 42654), (7109, 28938), (9646, 21327), (14218, 14469)]