About the Number

394942240

394942239 ← → 394942241

2進数表記:10111100010100101011100100000

漢数字表記:三億九千四百九十四万二千二百四十

素因数分解:

2 5 × 5 1 × 7 1 × 11 1 × 32057 1

素因数の和:32090
約数の個数: 96
約数和(自身を含む): 1163320704
約数和(自身を除く): 768378464

約数列:
[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 352, 385, 440, 560, 616, 770, 880, 1120, 1232, 1540, 1760, 2464, 3080, 6160, 12320, 32057, 64114, 128228, 160285, 224399, 256456, 320570, 352627, 448798, 512912, 641140, 705254, 897596, 1025824, 1121995, 1282280, 1410508, 1763135, 1795192, 2243990, 2468389, 2564560, 2821016, 3526270, 3590384, 4487980, 4936778, 5129120, 5642032, 7052540, 7180768, 8975960, 9873556, 11284064, 12341945, 14105080, 17951920, 19747112, 24683890, 28210160, 35903840, 39494224, 49367780, 56420320, 78988448, 98735560, 197471120, 394942240]

約数ペア:
[(1, 394942240), (2, 197471120), (4, 98735560), (5, 78988448), (7, 56420320), (8, 49367780), (10, 39494224), (11, 35903840), (14, 28210160), (16, 24683890), (20, 19747112), (22, 17951920), (28, 14105080), (32, 12341945), (35, 11284064), (40, 9873556), (44, 8975960), (55, 7180768), (56, 7052540), (70, 5642032), (77, 5129120), (80, 4936778), (88, 4487980), (110, 3590384), (112, 3526270), (140, 2821016), (154, 2564560), (160, 2468389), (176, 2243990), (220, 1795192), (224, 1763135), (280, 1410508), (308, 1282280), (352, 1121995), (385, 1025824), (440, 897596), (560, 705254), (616, 641140), (770, 512912), (880, 448798), (1120, 352627), (1232, 320570), (1540, 256456), (1760, 224399), (2464, 160285), (3080, 128228), (6160, 64114), (12320, 32057)]

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