1891219240

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{467}}^1\times {\mathrm{739}}^1$

素因数の和:1354

約数の個数: 64

約数和(自身を含む): 4301294400

約数和(自身を除く): 2410075160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 467, 548, 685, 739, 934, 1096, 1370, 1478, 1868, 2335, 2740, 2956, 3695, 3736, 4670, 5480, 5912, 7390, 9340, 14780, 18680, 29560, 63979, 101243, 127958, 202486, 255916, 319895, 345113, 404972, 506215, 511832, 639790, 690226, 809944, 1012430, 1279580, 1380452, 1725565, 2024860, 2559160, 2760904, 3451130, 4049720, 6902260, 13804520, 47280481, 94560962, 189121924, 236402405, 378243848, 472804810, 945609620, 1891219240]

約数ペア:

[(1, 1891219240), (2, 945609620), (4, 472804810), (5, 378243848), (8, 236402405), (10, 189121924), (20, 94560962), (40, 47280481), (137, 13804520), (274, 6902260), (467, 4049720), (548, 3451130), (685, 2760904), (739, 2559160), (934, 2024860), (1096, 1725565), (1370, 1380452), (1478, 1279580), (1868, 1012430), (2335, 809944), (2740, 690226), (2956, 639790), (3695, 511832), (3736, 506215), (4670, 404972), (5480, 345113), (5912, 319895), (7390, 255916), (9340, 202486), (14780, 127958), (18680, 101243), (29560, 63979)]