210337790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:178

約数の個数: 128

約数和(自身を含む): 460615680

約数和(自身を除く): 250277890

約数列:

[1, 2, 5, 10, 13, 19, 26, 31, 38, 41, 62, 65, 67, 82, 95, 130, 134, 155, 190, 205, 247, 310, 335, 403, 410, 494, 533, 589, 670, 779, 806, 871, 1066, 1178, 1235, 1271, 1273, 1558, 1742, 2015, 2077, 2470, 2542, 2546, 2665, 2747, 2945, 3895, 4030, 4154, 4355, 5330, 5494, 5890, 6355, 6365, 7657, 7790, 8710, 10127, 10385, 12710, 12730, 13735, 15314, 16523, 16549, 20254, 20770, 24149, 27001, 27470, 33046, 33098, 35711, 38285, 39463, 48298, 50635, 52193, 54002, 71422, 76570, 78926, 82615, 82745, 85157, 101270, 104386, 120745, 135005, 165230, 165490, 170314, 178555, 197315, 241490, 260965, 270010, 313937, 357110, 394630, 425785, 513019, 521930, 627874, 678509, 851570, 1026038, 1107041, 1357018, 1569685, 1617983, 2214082, 2565095, 3139370, 3235966, 3392545, 5130190, 5535205, 6785090, 8089915, 11070410, 16179830, 21033779, 42067558, 105168895, 210337790]

約数ペア:

[(1, 210337790), (2, 105168895), (5, 42067558), (10, 21033779), (13, 16179830), (19, 11070410), (26, 8089915), (31, 6785090), (38, 5535205), (41, 5130190), (62, 3392545), (65, 3235966), (67, 3139370), (82, 2565095), (95, 2214082), (130, 1617983), (134, 1569685), (155, 1357018), (190, 1107041), (205, 1026038), (247, 851570), (310, 678509), (335, 627874), (403, 521930), (410, 513019), (494, 425785), (533, 394630), (589, 357110), (670, 313937), (779, 270010), (806, 260965), (871, 241490), (1066, 197315), (1178, 178555), (1235, 170314), (1271, 165490), (1273, 165230), (1558, 135005), (1742, 120745), (2015, 104386), (2077, 101270), (2470, 85157), (2542, 82745), (2546, 82615), (2665, 78926), (2747, 76570), (2945, 71422), (3895, 54002), (4030, 52193), (4154, 50635), (4355, 48298), (5330, 39463), (5494, 38285), (5890, 35711), (6355, 33098), (6365, 33046), (7657, 27470), (7790, 27001), (8710, 24149), (10127, 20770), (10385, 20254), (12710, 16549), (12730, 16523), (13735, 15314)]