2920778900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{12413}}^1$

素因数の和:12621

約数の個数: 72

約数和(自身を含む): 6863899224

約数和(自身を除く): 3943120324

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 181, 260, 325, 362, 650, 724, 905, 1300, 1810, 2353, 3620, 4525, 4706, 9050, 9412, 11765, 12413, 18100, 23530, 24826, 47060, 49652, 58825, 62065, 117650, 124130, 161369, 235300, 248260, 310325, 322738, 620650, 645476, 806845, 1241300, 1613690, 2246753, 3227380, 4034225, 4493506, 8068450, 8987012, 11233765, 16136900, 22467530, 29207789, 44935060, 56168825, 58415578, 112337650, 116831156, 146038945, 224675300, 292077890, 584155780, 730194725, 1460389450, 2920778900]

約数ペア:

[(1, 2920778900), (2, 1460389450), (4, 730194725), (5, 584155780), (10, 292077890), (13, 224675300), (20, 146038945), (25, 116831156), (26, 112337650), (50, 58415578), (52, 56168825), (65, 44935060), (100, 29207789), (130, 22467530), (181, 16136900), (260, 11233765), (325, 8987012), (362, 8068450), (650, 4493506), (724, 4034225), (905, 3227380), (1300, 2246753), (1810, 1613690), (2353, 1241300), (3620, 806845), (4525, 645476), (4706, 620650), (9050, 322738), (9412, 310325), (11765, 248260), (12413, 235300), (18100, 161369), (23530, 124130), (24826, 117650), (47060, 62065), (49652, 58825)]