836218120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{15497}}^1$

素因数の和:15598

約数の個数: 64

約数和(自身を含む): 2008540800

約数和(自身を除く): 1172322680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 568, 710, 760, 1349, 1420, 2698, 2840, 5396, 6745, 10792, 13490, 15497, 26980, 30994, 53960, 61988, 77485, 123976, 154970, 294443, 309940, 588886, 619880, 1100287, 1177772, 1472215, 2200574, 2355544, 2944430, 4401148, 5501435, 5888860, 8802296, 11002870, 11777720, 20905453, 22005740, 41810906, 44011480, 83621812, 104527265, 167243624, 209054530, 418109060, 836218120]

約数ペア:

[(1, 836218120), (2, 418109060), (4, 209054530), (5, 167243624), (8, 104527265), (10, 83621812), (19, 44011480), (20, 41810906), (38, 22005740), (40, 20905453), (71, 11777720), (76, 11002870), (95, 8802296), (142, 5888860), (152, 5501435), (190, 4401148), (284, 2944430), (355, 2355544), (380, 2200574), (568, 1472215), (710, 1177772), (760, 1100287), (1349, 619880), (1420, 588886), (2698, 309940), (2840, 294443), (5396, 154970), (6745, 123976), (10792, 77485), (13490, 61988), (15497, 53960), (26980, 30994)]