201989320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{5471}}^1$

素因数の和:5566

約数の個数: 64

約数和(自身を含む): 496419840

約数和(自身を除く): 294430520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 260, 284, 355, 520, 568, 710, 923, 1420, 1846, 2840, 3692, 4615, 5471, 7384, 9230, 10942, 18460, 21884, 27355, 36920, 43768, 54710, 71123, 109420, 142246, 218840, 284492, 355615, 388441, 568984, 711230, 776882, 1422460, 1553764, 1942205, 2844920, 3107528, 3884410, 5049733, 7768820, 10099466, 15537640, 20198932, 25248665, 40397864, 50497330, 100994660, 201989320]

約数ペア:

[(1, 201989320), (2, 100994660), (4, 50497330), (5, 40397864), (8, 25248665), (10, 20198932), (13, 15537640), (20, 10099466), (26, 7768820), (40, 5049733), (52, 3884410), (65, 3107528), (71, 2844920), (104, 1942205), (130, 1553764), (142, 1422460), (260, 776882), (284, 711230), (355, 568984), (520, 388441), (568, 355615), (710, 284492), (923, 218840), (1420, 142246), (1846, 109420), (2840, 71123), (3692, 54710), (4615, 43768), (5471, 36920), (7384, 27355), (9230, 21884), (10942, 18460)]