78983380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1291}}^1$

素因数の和:1349

約数の個数: 96

約数和(自身を含む): 208373760

約数和(自身を除く): 129390380

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 23, 28, 35, 38, 46, 70, 76, 92, 95, 115, 133, 140, 161, 190, 230, 266, 322, 380, 437, 460, 532, 644, 665, 805, 874, 1291, 1330, 1610, 1748, 2185, 2582, 2660, 3059, 3220, 4370, 5164, 6118, 6455, 8740, 9037, 12236, 12910, 15295, 18074, 24529, 25820, 29693, 30590, 36148, 45185, 49058, 59386, 61180, 90370, 98116, 118772, 122645, 148465, 171703, 180740, 207851, 245290, 296930, 343406, 415702, 490580, 564167, 593860, 686812, 831404, 858515, 1039255, 1128334, 1717030, 2078510, 2256668, 2820835, 3434060, 3949169, 4157020, 5641670, 7898338, 11283340, 15796676, 19745845, 39491690, 78983380]

約数ペア:

[(1, 78983380), (2, 39491690), (4, 19745845), (5, 15796676), (7, 11283340), (10, 7898338), (14, 5641670), (19, 4157020), (20, 3949169), (23, 3434060), (28, 2820835), (35, 2256668), (38, 2078510), (46, 1717030), (70, 1128334), (76, 1039255), (92, 858515), (95, 831404), (115, 686812), (133, 593860), (140, 564167), (161, 490580), (190, 415702), (230, 343406), (266, 296930), (322, 245290), (380, 207851), (437, 180740), (460, 171703), (532, 148465), (644, 122645), (665, 118772), (805, 98116), (874, 90370), (1291, 61180), (1330, 59386), (1610, 49058), (1748, 45185), (2185, 36148), (2582, 30590), (2660, 29693), (3059, 25820), (3220, 24529), (4370, 18074), (5164, 15295), (6118, 12910), (6455, 12236), (8740, 9037)]