77790940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{4993}}^1$

素因数の和:5062

約数の個数: 48

約数和(自身を含む): 176188320

約数和(自身を除く): 98397380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 3116, 3895, 4993, 7790, 9986, 15580, 19972, 24965, 49930, 94867, 99860, 189734, 204713, 379468, 409426, 474335, 818852, 948670, 1023565, 1897340, 2047130, 3889547, 4094260, 7779094, 15558188, 19447735, 38895470, 77790940]

約数ペア:

[(1, 77790940), (2, 38895470), (4, 19447735), (5, 15558188), (10, 7779094), (19, 4094260), (20, 3889547), (38, 2047130), (41, 1897340), (76, 1023565), (82, 948670), (95, 818852), (164, 474335), (190, 409426), (205, 379468), (380, 204713), (410, 189734), (779, 99860), (820, 94867), (1558, 49930), (3116, 24965), (3895, 19972), (4993, 15580), (7790, 9986)]