About the Number

30830020

30830019 ← → 30830021

2進数表記:1110101100110110111000100

漢数字表記:三千八十三万二十

素因数分解:

2 2 × 5 1 × 13 1 × 283 1 × 419 1

素因数の和:724
約数の個数: 48
約数和(自身を含む): 70136640
約数和(自身を除く): 39306620

約数列:
[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 283, 419, 566, 838, 1132, 1415, 1676, 2095, 2830, 3679, 4190, 5447, 5660, 7358, 8380, 10894, 14716, 18395, 21788, 27235, 36790, 54470, 73580, 108940, 118577, 237154, 474308, 592885, 1185770, 1541501, 2371540, 3083002, 6166004, 7707505, 15415010, 30830020]

約数ペア:
[(1, 30830020), (2, 15415010), (4, 7707505), (5, 6166004), (10, 3083002), (13, 2371540), (20, 1541501), (26, 1185770), (52, 592885), (65, 474308), (130, 237154), (260, 118577), (283, 108940), (419, 73580), (566, 54470), (838, 36790), (1132, 27235), (1415, 21788), (1676, 18395), (2095, 14716), (2830, 10894), (3679, 8380), (4190, 7358), (5447, 5660)]

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