79298020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:305

約数の個数: 96

約数和(自身を含む): 188052480

約数和(自身を除く): 108754460

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 43, 46, 76, 86, 92, 95, 115, 172, 190, 211, 215, 230, 380, 422, 430, 437, 460, 817, 844, 860, 874, 989, 1055, 1634, 1748, 1978, 2110, 2185, 3268, 3956, 4009, 4085, 4220, 4370, 4853, 4945, 8018, 8170, 8740, 9073, 9706, 9890, 16036, 16340, 18146, 18791, 19412, 19780, 20045, 24265, 36292, 37582, 40090, 45365, 48530, 75164, 80180, 90730, 92207, 93955, 97060, 172387, 181460, 184414, 187910, 208679, 344774, 368828, 375820, 417358, 461035, 689548, 834716, 861935, 922070, 1043395, 1723870, 1844140, 2086790, 3447740, 3964901, 4173580, 7929802, 15859604, 19824505, 39649010, 79298020]

約数ペア:

[(1, 79298020), (2, 39649010), (4, 19824505), (5, 15859604), (10, 7929802), (19, 4173580), (20, 3964901), (23, 3447740), (38, 2086790), (43, 1844140), (46, 1723870), (76, 1043395), (86, 922070), (92, 861935), (95, 834716), (115, 689548), (172, 461035), (190, 417358), (211, 375820), (215, 368828), (230, 344774), (380, 208679), (422, 187910), (430, 184414), (437, 181460), (460, 172387), (817, 97060), (844, 93955), (860, 92207), (874, 90730), (989, 80180), (1055, 75164), (1634, 48530), (1748, 45365), (1978, 40090), (2110, 37582), (2185, 36292), (3268, 24265), (3956, 20045), (4009, 19780), (4085, 19412), (4220, 18791), (4370, 18146), (4853, 16340), (4945, 16036), (8018, 9890), (8170, 9706), (8740, 9073)]