About the Number

121980690

121980689 ← → 121980691

2進数表記:111010001010100011100010010

漢数字表記:一億二千百九十八万六百九十

素因数分解:

2 1 × 3 2 × 5 1 × 13 1 × 137 1 × 761 1

素因数の和:924
約数の個数: 96
約数和(自身を含む): 344491056
約数和(自身を除く): 222510366

約数列:
[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 137, 195, 234, 274, 390, 411, 585, 685, 761, 822, 1170, 1233, 1370, 1522, 1781, 2055, 2283, 2466, 3562, 3805, 4110, 4566, 5343, 6165, 6849, 7610, 8905, 9893, 10686, 11415, 12330, 13698, 16029, 17810, 19786, 22830, 26715, 29679, 32058, 34245, 49465, 53430, 59358, 68490, 80145, 89037, 98930, 104257, 148395, 160290, 178074, 208514, 296790, 312771, 445185, 521285, 625542, 890370, 938313, 1042570, 1355341, 1563855, 1876626, 2710682, 3127710, 4066023, 4691565, 6776705, 8132046, 9383130, 12198069, 13553410, 20330115, 24396138, 40660230, 60990345, 121980690]

約数ペア:
[(1, 121980690), (2, 60990345), (3, 40660230), (5, 24396138), (6, 20330115), (9, 13553410), (10, 12198069), (13, 9383130), (15, 8132046), (18, 6776705), (26, 4691565), (30, 4066023), (39, 3127710), (45, 2710682), (65, 1876626), (78, 1563855), (90, 1355341), (117, 1042570), (130, 938313), (137, 890370), (195, 625542), (234, 521285), (274, 445185), (390, 312771), (411, 296790), (585, 208514), (685, 178074), (761, 160290), (822, 148395), (1170, 104257), (1233, 98930), (1370, 89037), (1522, 80145), (1781, 68490), (2055, 59358), (2283, 53430), (2466, 49465), (3562, 34245), (3805, 32058), (4110, 29679), (4566, 26715), (5343, 22830), (6165, 19786), (6849, 17810), (7610, 16029), (8905, 13698), (9893, 12330), (10686, 11415)]

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