201719440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2657}}^1$

素因数の和:2756

約数の個数: 80

約数和(自身を含む): 512185968

約数和(自身を除く): 310466528

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 73, 80, 104, 130, 146, 208, 260, 292, 365, 520, 584, 730, 949, 1040, 1168, 1460, 1898, 2657, 2920, 3796, 4745, 5314, 5840, 7592, 9490, 10628, 13285, 15184, 18980, 21256, 26570, 34541, 37960, 42512, 53140, 69082, 75920, 106280, 138164, 172705, 193961, 212560, 276328, 345410, 387922, 552656, 690820, 775844, 969805, 1381640, 1551688, 1939610, 2521493, 2763280, 3103376, 3879220, 5042986, 7758440, 10085972, 12607465, 15516880, 20171944, 25214930, 40343888, 50429860, 100859720, 201719440]

約数ペア:

[(1, 201719440), (2, 100859720), (4, 50429860), (5, 40343888), (8, 25214930), (10, 20171944), (13, 15516880), (16, 12607465), (20, 10085972), (26, 7758440), (40, 5042986), (52, 3879220), (65, 3103376), (73, 2763280), (80, 2521493), (104, 1939610), (130, 1551688), (146, 1381640), (208, 969805), (260, 775844), (292, 690820), (365, 552656), (520, 387922), (584, 345410), (730, 276328), (949, 212560), (1040, 193961), (1168, 172705), (1460, 138164), (1898, 106280), (2657, 75920), (2920, 69082), (3796, 53140), (4745, 42512), (5314, 37960), (5840, 34541), (7592, 26570), (9490, 21256), (10628, 18980), (13285, 15184)]