About the Number

138990768

138990767 ← → 138990769

2進数表記:1000010010001101010010110000

漢数字表記:一億三千八百九十九万七百六十八

素因数分解:

2 4 × 3 1 × 7 1 × 569 1 × 727 1

素因数の和:1314
約数の個数: 80
約数和(自身を含む): 411640320
約数和(自身を除く): 272649552

約数列:
[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 569, 727, 1138, 1454, 1707, 2181, 2276, 2908, 3414, 3983, 4362, 4552, 5089, 5816, 6828, 7966, 8724, 9104, 10178, 11632, 11949, 13656, 15267, 15932, 17448, 20356, 23898, 27312, 30534, 31864, 34896, 40712, 47796, 61068, 63728, 81424, 95592, 122136, 191184, 244272, 413663, 827326, 1240989, 1654652, 2481978, 2895641, 3309304, 4963956, 5791282, 6618608, 8686923, 9927912, 11582564, 17373846, 19855824, 23165128, 34747692, 46330256, 69495384, 138990768]

約数ペア:
[(1, 138990768), (2, 69495384), (3, 46330256), (4, 34747692), (6, 23165128), (7, 19855824), (8, 17373846), (12, 11582564), (14, 9927912), (16, 8686923), (21, 6618608), (24, 5791282), (28, 4963956), (42, 3309304), (48, 2895641), (56, 2481978), (84, 1654652), (112, 1240989), (168, 827326), (336, 413663), (569, 244272), (727, 191184), (1138, 122136), (1454, 95592), (1707, 81424), (2181, 63728), (2276, 61068), (2908, 47796), (3414, 40712), (3983, 34896), (4362, 31864), (4552, 30534), (5089, 27312), (5816, 23898), (6828, 20356), (7966, 17448), (8724, 15932), (9104, 15267), (10178, 13656), (11632, 11949)]

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