About the Number

129219888

129219887 ← → 129219889

2進数表記:111101100111011110100110000

漢数字表記:一億二千九百二十一万九千八百八十八

素因数分解:

2 4 × 3 1 × 7 1 × 23 2 × 727 1

素因数の和:791
約数の個数: 120
約数和(自身を含む): 399363328
約数和(自身を除く): 270143440

約数列:
[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 42, 46, 48, 56, 69, 84, 92, 112, 138, 161, 168, 184, 276, 322, 336, 368, 483, 529, 552, 644, 727, 966, 1058, 1104, 1288, 1454, 1587, 1932, 2116, 2181, 2576, 2908, 3174, 3703, 3864, 4232, 4362, 5089, 5816, 6348, 7406, 7728, 8464, 8724, 10178, 11109, 11632, 12696, 14812, 15267, 16721, 17448, 20356, 22218, 25392, 29624, 30534, 33442, 34896, 40712, 44436, 50163, 59248, 61068, 66884, 81424, 88872, 100326, 117047, 122136, 133768, 177744, 200652, 234094, 244272, 267536, 351141, 384583, 401304, 468188, 702282, 769166, 802608, 936376, 1153749, 1404564, 1538332, 1872752, 2307498, 2692081, 2809128, 3076664, 4614996, 5384162, 5618256, 6153328, 8076243, 9229992, 10768324, 16152486, 18459984, 21536648, 32304972, 43073296, 64609944, 129219888]

約数ペア:
[(1, 129219888), (2, 64609944), (3, 43073296), (4, 32304972), (6, 21536648), (7, 18459984), (8, 16152486), (12, 10768324), (14, 9229992), (16, 8076243), (21, 6153328), (23, 5618256), (24, 5384162), (28, 4614996), (42, 3076664), (46, 2809128), (48, 2692081), (56, 2307498), (69, 1872752), (84, 1538332), (92, 1404564), (112, 1153749), (138, 936376), (161, 802608), (168, 769166), (184, 702282), (276, 468188), (322, 401304), (336, 384583), (368, 351141), (483, 267536), (529, 244272), (552, 234094), (644, 200652), (727, 177744), (966, 133768), (1058, 122136), (1104, 117047), (1288, 100326), (1454, 88872), (1587, 81424), (1932, 66884), (2116, 61068), (2181, 59248), (2576, 50163), (2908, 44436), (3174, 40712), (3703, 34896), (3864, 33442), (4232, 30534), (4362, 29624), (5089, 25392), (5816, 22218), (6348, 20356), (7406, 17448), (7728, 16721), (8464, 15267), (8724, 14812), (10178, 12696), (11109, 11632)]

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