71707900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:164

約数の個数: 144

約数和(自身を含む): 184988160

約数和(自身を除く): 113280260

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 47, 50, 55, 73, 76, 94, 95, 100, 110, 146, 188, 190, 209, 220, 235, 275, 292, 365, 380, 418, 470, 475, 517, 550, 730, 803, 836, 893, 940, 950, 1034, 1045, 1100, 1175, 1387, 1460, 1606, 1786, 1825, 1900, 2068, 2090, 2350, 2585, 2774, 3212, 3431, 3572, 3650, 4015, 4180, 4465, 4700, 5170, 5225, 5548, 6862, 6935, 7300, 8030, 8930, 9823, 10340, 10450, 12925, 13724, 13870, 15257, 16060, 17155, 17860, 19646, 20075, 20900, 22325, 25850, 27740, 30514, 34310, 34675, 37741, 39292, 40150, 44650, 49115, 51700, 61028, 65189, 68620, 69350, 75482, 76285, 80300, 85775, 89300, 98230, 130378, 138700, 150964, 152570, 171550, 188705, 196460, 245575, 260756, 305140, 325945, 343100, 377410, 381425, 491150, 651890, 717079, 754820, 762850, 943525, 982300, 1303780, 1434158, 1525700, 1629725, 1887050, 2868316, 3259450, 3585395, 3774100, 6518900, 7170790, 14341580, 17926975, 35853950, 71707900]

約数ペア:

[(1, 71707900), (2, 35853950), (4, 17926975), (5, 14341580), (10, 7170790), (11, 6518900), (19, 3774100), (20, 3585395), (22, 3259450), (25, 2868316), (38, 1887050), (44, 1629725), (47, 1525700), (50, 1434158), (55, 1303780), (73, 982300), (76, 943525), (94, 762850), (95, 754820), (100, 717079), (110, 651890), (146, 491150), (188, 381425), (190, 377410), (209, 343100), (220, 325945), (235, 305140), (275, 260756), (292, 245575), (365, 196460), (380, 188705), (418, 171550), (470, 152570), (475, 150964), (517, 138700), (550, 130378), (730, 98230), (803, 89300), (836, 85775), (893, 80300), (940, 76285), (950, 75482), (1034, 69350), (1045, 68620), (1100, 65189), (1175, 61028), (1387, 51700), (1460, 49115), (1606, 44650), (1786, 40150), (1825, 39292), (1900, 37741), (2068, 34675), (2090, 34310), (2350, 30514), (2585, 27740), (2774, 25850), (3212, 22325), (3431, 20900), (3572, 20075), (3650, 19646), (4015, 17860), (4180, 17155), (4465, 16060), (4700, 15257), (5170, 13870), (5225, 13724), (5548, 12925), (6862, 10450), (6935, 10340), (7300, 9823), (8030, 8930)]