129075560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{189817}}^1$

素因数の和:189845

約数の個数: 32

約数和(自身を含む): 307505160

約数和(自身を除く): 178429600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 189817, 379634, 759268, 949085, 1518536, 1898170, 3226889, 3796340, 6453778, 7592680, 12907556, 16134445, 25815112, 32268890, 64537780, 129075560]

約数ペア:

[(1, 129075560), (2, 64537780), (4, 32268890), (5, 25815112), (8, 16134445), (10, 12907556), (17, 7592680), (20, 6453778), (34, 3796340), (40, 3226889), (68, 1898170), (85, 1518536), (136, 949085), (170, 759268), (340, 379634), (680, 189817)]