About the Number

381639420

381639419 ← → 381639421

2進数表記:10110101111110101101011111100

漢数字表記:三億八千百六十三万九千四百二十

素因数分解:

2 2 × 3 2 × 5 1 × 29 1 × 113 1 × 647 1

素因数の和:804
約数の個数: 144
約数和(自身を含む): 1210023360
約数和(自身を除く): 828383940

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 113, 116, 145, 174, 180, 226, 261, 290, 339, 348, 435, 452, 522, 565, 580, 647, 678, 870, 1017, 1044, 1130, 1294, 1305, 1356, 1695, 1740, 1941, 2034, 2260, 2588, 2610, 3235, 3277, 3390, 3882, 4068, 5085, 5220, 5823, 6470, 6554, 6780, 7764, 9705, 9831, 10170, 11646, 12940, 13108, 16385, 18763, 19410, 19662, 20340, 23292, 29115, 29493, 32770, 37526, 38820, 39324, 49155, 56289, 58230, 58986, 65540, 73111, 75052, 93815, 98310, 112578, 116460, 117972, 146222, 147465, 168867, 187630, 196620, 219333, 225156, 281445, 292444, 294930, 337734, 365555, 375260, 438666, 562890, 589860, 657999, 675468, 731110, 844335, 877332, 1096665, 1125780, 1315998, 1462220, 1688670, 2120219, 2193330, 2631996, 3289995, 3377340, 4240438, 4386660, 6360657, 6579990, 8480876, 10601095, 12721314, 13159980, 19081971, 21202190, 25442628, 31803285, 38163942, 42404380, 63606570, 76327884, 95409855, 127213140, 190819710, 381639420]

約数ペア:
[(1, 381639420), (2, 190819710), (3, 127213140), (4, 95409855), (5, 76327884), (6, 63606570), (9, 42404380), (10, 38163942), (12, 31803285), (15, 25442628), (18, 21202190), (20, 19081971), (29, 13159980), (30, 12721314), (36, 10601095), (45, 8480876), (58, 6579990), (60, 6360657), (87, 4386660), (90, 4240438), (113, 3377340), (116, 3289995), (145, 2631996), (174, 2193330), (180, 2120219), (226, 1688670), (261, 1462220), (290, 1315998), (339, 1125780), (348, 1096665), (435, 877332), (452, 844335), (522, 731110), (565, 675468), (580, 657999), (647, 589860), (678, 562890), (870, 438666), (1017, 375260), (1044, 365555), (1130, 337734), (1294, 294930), (1305, 292444), (1356, 281445), (1695, 225156), (1740, 219333), (1941, 196620), (2034, 187630), (2260, 168867), (2588, 147465), (2610, 146222), (3235, 117972), (3277, 116460), (3390, 112578), (3882, 98310), (4068, 93815), (5085, 75052), (5220, 73111), (5823, 65540), (6470, 58986), (6554, 58230), (6780, 56289), (7764, 49155), (9705, 39324), (9831, 38820), (10170, 37526), (11646, 32770), (12940, 29493), (13108, 29115), (16385, 23292), (18763, 20340), (19410, 19662)]

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