About the Number

121382820

121382819 ← → 121382821

2進数表記:111001111000010011110100100

漢数字表記:一億二千百三十八万二千八百二十

素因数分解:

2 2 × 3 3 × 5 1 × 13 1 × 17291 1

素因数の和:17322
約数の個数: 96
約数和(自身を含む): 406707840
約数和(自身を除く): 285325020

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 3510, 7020, 17291, 34582, 51873, 69164, 86455, 103746, 155619, 172910, 207492, 224783, 259365, 311238, 345820, 449566, 466857, 518730, 622476, 674349, 778095, 899132, 933714, 1037460, 1123915, 1348698, 1556190, 1867428, 2023047, 2247830, 2334285, 2697396, 3112380, 3371745, 4046094, 4495660, 4668570, 6069141, 6743490, 8092188, 9337140, 10115235, 12138282, 13486980, 20230470, 24276564, 30345705, 40460940, 60691410, 121382820]

約数ペア:
[(1, 121382820), (2, 60691410), (3, 40460940), (4, 30345705), (5, 24276564), (6, 20230470), (9, 13486980), (10, 12138282), (12, 10115235), (13, 9337140), (15, 8092188), (18, 6743490), (20, 6069141), (26, 4668570), (27, 4495660), (30, 4046094), (36, 3371745), (39, 3112380), (45, 2697396), (52, 2334285), (54, 2247830), (60, 2023047), (65, 1867428), (78, 1556190), (90, 1348698), (108, 1123915), (117, 1037460), (130, 933714), (135, 899132), (156, 778095), (180, 674349), (195, 622476), (234, 518730), (260, 466857), (270, 449566), (351, 345820), (390, 311238), (468, 259365), (540, 224783), (585, 207492), (702, 172910), (780, 155619), (1170, 103746), (1404, 86455), (1755, 69164), (2340, 51873), (3510, 34582), (7020, 17291)]

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