2051211161990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{13309}}^1\times {\mathrm{12107}}^1$

素因数の和:25509

約数の個数: 64

約数和(自身を含む): 3945135110400

約数和(自身を除く): 1893923948410

約数列:

[1, 2, 5, 10, 19, 38, 67, 95, 134, 190, 335, 670, 1273, 2546, 6365, 12107, 12730, 13309, 24214, 26618, 60535, 66545, 121070, 133090, 230033, 252871, 460066, 505742, 811169, 891703, 1150165, 1264355, 1622338, 1783406, 2300330, 2528710, 4055845, 4458515, 8111690, 8917030, 15412211, 16942357, 30824422, 33884714, 77061055, 84711785, 154122110, 161132063, 169423570, 322264126, 805660315, 1611320630, 3061509197, 6123018394, 10795848221, 15307545985, 21591696442, 30615091970, 53979241105, 107958482210, 205121116199, 410242232398, 1025605580995, 2051211161990]

約数ペア:

[(1, 2051211161990), (2, 1025605580995), (5, 410242232398), (10, 205121116199), (19, 107958482210), (38, 53979241105), (67, 30615091970), (95, 21591696442), (134, 15307545985), (190, 10795848221), (335, 6123018394), (670, 3061509197), (1273, 1611320630), (2546, 805660315), (6365, 322264126), (12107, 169423570), (12730, 161132063), (13309, 154122110), (24214, 84711785), (26618, 77061055), (60535, 33884714), (66545, 30824422), (121070, 16942357), (133090, 15412211), (230033, 8917030), (252871, 8111690), (460066, 4458515), (505742, 4055845), (811169, 2528710), (891703, 2300330), (1150165, 1783406), (1264355, 1622338)]