172027420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:367

約数の個数: 96

約数和(自身を含む): 402796800

約数和(自身を除く): 230769380

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 73, 85, 116, 145, 146, 170, 239, 290, 292, 340, 365, 478, 493, 580, 730, 956, 986, 1195, 1241, 1460, 1972, 2117, 2390, 2465, 2482, 4063, 4234, 4780, 4930, 4964, 6205, 6931, 8126, 8468, 9860, 10585, 12410, 13862, 16252, 17447, 20315, 21170, 24820, 27724, 34655, 34894, 35989, 40630, 42340, 69310, 69788, 71978, 81260, 87235, 117827, 138620, 143956, 174470, 179945, 235654, 296599, 348940, 359890, 471308, 505963, 589135, 593198, 719780, 1011926, 1178270, 1186396, 1482995, 2023852, 2356540, 2529815, 2965990, 5059630, 5931980, 8601371, 10119260, 17202742, 34405484, 43006855, 86013710, 172027420]

約数ペア:

[(1, 172027420), (2, 86013710), (4, 43006855), (5, 34405484), (10, 17202742), (17, 10119260), (20, 8601371), (29, 5931980), (34, 5059630), (58, 2965990), (68, 2529815), (73, 2356540), (85, 2023852), (116, 1482995), (145, 1186396), (146, 1178270), (170, 1011926), (239, 719780), (290, 593198), (292, 589135), (340, 505963), (365, 471308), (478, 359890), (493, 348940), (580, 296599), (730, 235654), (956, 179945), (986, 174470), (1195, 143956), (1241, 138620), (1460, 117827), (1972, 87235), (2117, 81260), (2390, 71978), (2465, 69788), (2482, 69310), (4063, 42340), (4234, 40630), (4780, 35989), (4930, 34894), (4964, 34655), (6205, 27724), (6931, 24820), (8126, 21170), (8468, 20315), (9860, 17447), (10585, 16252), (12410, 13862)]