291218120

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{196769}}^1$

素因数の和:196817

約数の個数: 32

約数和(自身を含む): 672953400

約数和(自身を除く): 381735280

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 196769, 393538, 787076, 983845, 1574152, 1967690, 3935380, 7280453, 7870760, 14560906, 29121812, 36402265, 58243624, 72804530, 145609060, 291218120]

約数ペア:

[(1, 291218120), (2, 145609060), (4, 72804530), (5, 58243624), (8, 36402265), (10, 29121812), (20, 14560906), (37, 7870760), (40, 7280453), (74, 3935380), (148, 1967690), (185, 1574152), (296, 983845), (370, 787076), (740, 393538), (1480, 196769)]