About the Number

1012940730

1012940729 ← → 1012940731

2進数表記:111100011000000011111110111010

漢数字表記:十億千二百九十四万七百三十

素因数分解:

2 1 × 3 2 × 5 1 × 19 2 × 31177 1

素因数の和:31228
約数の個数: 72
約数和(自身を含む): 2779643412
約数和(自身を除く): 1766702682

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 361, 570, 722, 855, 1083, 1710, 1805, 2166, 3249, 3610, 5415, 6498, 10830, 16245, 31177, 32490, 62354, 93531, 155885, 187062, 280593, 311770, 467655, 561186, 592363, 935310, 1184726, 1402965, 1777089, 2805930, 2961815, 3554178, 5331267, 5923630, 8885445, 10662534, 11254897, 17770890, 22509794, 26656335, 33764691, 53312670, 56274485, 67529382, 101294073, 112548970, 168823455, 202588146, 337646910, 506470365, 1012940730]

約数ペア:
[(1, 1012940730), (2, 506470365), (3, 337646910), (5, 202588146), (6, 168823455), (9, 112548970), (10, 101294073), (15, 67529382), (18, 56274485), (19, 53312670), (30, 33764691), (38, 26656335), (45, 22509794), (57, 17770890), (90, 11254897), (95, 10662534), (114, 8885445), (171, 5923630), (190, 5331267), (285, 3554178), (342, 2961815), (361, 2805930), (570, 1777089), (722, 1402965), (855, 1184726), (1083, 935310), (1710, 592363), (1805, 561186), (2166, 467655), (3249, 311770), (3610, 280593), (5415, 187062), (6498, 155885), (10830, 93531), (16245, 62354), (31177, 32490)]

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