About the Number

1800138872

1800138871 ← → 1800138873

2進数表記:1101011010010111111000001111000

漢数字表記:十八億十三万八千八百七十二

素因数分解:

2 3 × 7 2 × 79 1 × 58129 1

素因数の和:58228
約数の個数: 48
約数和(自身を含む): 3976092000
約数和(自身を除く): 2175953128

約数列:
[1, 2, 4, 7, 8, 14, 28, 49, 56, 79, 98, 158, 196, 316, 392, 553, 632, 1106, 2212, 3871, 4424, 7742, 15484, 30968, 58129, 116258, 232516, 406903, 465032, 813806, 1627612, 2848321, 3255224, 4592191, 5696642, 9184382, 11393284, 18368764, 22786568, 32145337, 36737528, 64290674, 128581348, 225017359, 257162696, 450034718, 900069436, 1800138872]

約数ペア:
[(1, 1800138872), (2, 900069436), (4, 450034718), (7, 257162696), (8, 225017359), (14, 128581348), (28, 64290674), (49, 36737528), (56, 32145337), (79, 22786568), (98, 18368764), (158, 11393284), (196, 9184382), (316, 5696642), (392, 4592191), (553, 3255224), (632, 2848321), (1106, 1627612), (2212, 813806), (3871, 465032), (4424, 406903), (7742, 232516), (15484, 116258), (30968, 58129)]

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