71122700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:168

約数の個数: 144

約数和(自身を含む): 183738240

約数和(自身を除く): 112615540

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 41, 44, 50, 55, 76, 82, 83, 95, 100, 110, 164, 166, 190, 205, 209, 220, 275, 332, 380, 410, 415, 418, 451, 475, 550, 779, 820, 830, 836, 902, 913, 950, 1025, 1045, 1100, 1558, 1577, 1660, 1804, 1826, 1900, 2050, 2075, 2090, 2255, 3116, 3154, 3403, 3652, 3895, 4100, 4150, 4180, 4510, 4565, 5225, 6308, 6806, 7790, 7885, 8300, 8569, 9020, 9130, 10450, 11275, 13612, 15580, 15770, 17015, 17138, 17347, 18260, 19475, 20900, 22550, 22825, 31540, 34030, 34276, 34694, 37433, 38950, 39425, 42845, 45100, 45650, 64657, 68060, 69388, 74866, 77900, 78850, 85075, 85690, 86735, 91300, 129314, 149732, 157700, 170150, 171380, 173470, 187165, 214225, 258628, 323285, 340300, 346940, 374330, 428450, 433675, 646570, 711227, 748660, 856900, 867350, 935825, 1293140, 1422454, 1616425, 1734700, 1871650, 2844908, 3232850, 3556135, 3743300, 6465700, 7112270, 14224540, 17780675, 35561350, 71122700]

約数ペア:

[(1, 71122700), (2, 35561350), (4, 17780675), (5, 14224540), (10, 7112270), (11, 6465700), (19, 3743300), (20, 3556135), (22, 3232850), (25, 2844908), (38, 1871650), (41, 1734700), (44, 1616425), (50, 1422454), (55, 1293140), (76, 935825), (82, 867350), (83, 856900), (95, 748660), (100, 711227), (110, 646570), (164, 433675), (166, 428450), (190, 374330), (205, 346940), (209, 340300), (220, 323285), (275, 258628), (332, 214225), (380, 187165), (410, 173470), (415, 171380), (418, 170150), (451, 157700), (475, 149732), (550, 129314), (779, 91300), (820, 86735), (830, 85690), (836, 85075), (902, 78850), (913, 77900), (950, 74866), (1025, 69388), (1045, 68060), (1100, 64657), (1558, 45650), (1577, 45100), (1660, 42845), (1804, 39425), (1826, 38950), (1900, 37433), (2050, 34694), (2075, 34276), (2090, 34030), (2255, 31540), (3116, 22825), (3154, 22550), (3403, 20900), (3652, 19475), (3895, 18260), (4100, 17347), (4150, 17138), (4180, 17015), (4510, 15770), (4565, 15580), (5225, 13612), (6308, 11275), (6806, 10450), (7790, 9130), (7885, 9020), (8300, 8569)]