About the Number

388640230

388640229 ← → 388640231

2進数表記:10111001010100010110111100110

漢数字表記:三億八千八百六十四万二百三十

素因数分解:

2 1 × 5 1 × 11 1 × 17 1 × 37 1 × 41 1 × 137 1

素因数の和:250
約数の個数: 128
約数和(自身を含む): 856324224
約数和(自身を除く): 467683994

約数列:
[1, 2, 5, 10, 11, 17, 22, 34, 37, 41, 55, 74, 82, 85, 110, 137, 170, 185, 187, 205, 274, 370, 374, 407, 410, 451, 629, 685, 697, 814, 902, 935, 1258, 1370, 1394, 1507, 1517, 1870, 2035, 2255, 2329, 3014, 3034, 3145, 3485, 4070, 4510, 4658, 5069, 5617, 6290, 6919, 6970, 7535, 7585, 7667, 10138, 11234, 11645, 13838, 15070, 15170, 15334, 16687, 23290, 25345, 25619, 25789, 28085, 33374, 34595, 38335, 50690, 51238, 51578, 55759, 56170, 61787, 69190, 76670, 83435, 86173, 95489, 111518, 123574, 128095, 128945, 166870, 172346, 190978, 207829, 256190, 257890, 278795, 283679, 308935, 415658, 430865, 477445, 557590, 567358, 617870, 861730, 947903, 954890, 1039145, 1050379, 1418395, 1895806, 2078290, 2100758, 2286119, 2836790, 3533093, 4572238, 4739515, 5251895, 7066186, 9479030, 10503790, 11430595, 17665465, 22861190, 35330930, 38864023, 77728046, 194320115, 388640230]

約数ペア:
[(1, 388640230), (2, 194320115), (5, 77728046), (10, 38864023), (11, 35330930), (17, 22861190), (22, 17665465), (34, 11430595), (37, 10503790), (41, 9479030), (55, 7066186), (74, 5251895), (82, 4739515), (85, 4572238), (110, 3533093), (137, 2836790), (170, 2286119), (185, 2100758), (187, 2078290), (205, 1895806), (274, 1418395), (370, 1050379), (374, 1039145), (407, 954890), (410, 947903), (451, 861730), (629, 617870), (685, 567358), (697, 557590), (814, 477445), (902, 430865), (935, 415658), (1258, 308935), (1370, 283679), (1394, 278795), (1507, 257890), (1517, 256190), (1870, 207829), (2035, 190978), (2255, 172346), (2329, 166870), (3014, 128945), (3034, 128095), (3145, 123574), (3485, 111518), (4070, 95489), (4510, 86173), (4658, 83435), (5069, 76670), (5617, 69190), (6290, 61787), (6919, 56170), (6970, 55759), (7535, 51578), (7585, 51238), (7667, 50690), (10138, 38335), (11234, 34595), (11645, 33374), (13838, 28085), (15070, 25789), (15170, 25619), (15334, 25345), (16687, 23290)]

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