158875990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2459}}^1$

素因数の和:2557

約数の個数: 64

約数和(自身を含む): 357073920

約数和(自身を除く): 198197930

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 71, 91, 130, 142, 182, 355, 455, 497, 710, 910, 923, 994, 1846, 2459, 2485, 4615, 4918, 4970, 6461, 9230, 12295, 12922, 17213, 24590, 31967, 32305, 34426, 63934, 64610, 86065, 159835, 172130, 174589, 223769, 319670, 349178, 447538, 872945, 1118845, 1222123, 1745890, 2237690, 2269657, 2444246, 4539314, 6110615, 11348285, 12221230, 15887599, 22696570, 31775198, 79437995, 158875990]

約数ペア:

[(1, 158875990), (2, 79437995), (5, 31775198), (7, 22696570), (10, 15887599), (13, 12221230), (14, 11348285), (26, 6110615), (35, 4539314), (65, 2444246), (70, 2269657), (71, 2237690), (91, 1745890), (130, 1222123), (142, 1118845), (182, 872945), (355, 447538), (455, 349178), (497, 319670), (710, 223769), (910, 174589), (923, 172130), (994, 159835), (1846, 86065), (2459, 64610), (2485, 63934), (4615, 34426), (4918, 32305), (4970, 31967), (6461, 24590), (9230, 17213), (12295, 12922)]