About the Number

42420690

42420689 ← → 42420691

2進数表記:10100001110100100111010010

漢数字表記:四千二百四十二万六百九十

素因数分解:

2 1 × 3 2 × 5 1 × 13 2 × 2789 1

素因数の和:2828
約数の個数: 72
約数和(自身を含む): 119473380
約数和(自身を除く): 77052690

約数列:
[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 169, 195, 234, 338, 390, 507, 585, 845, 1014, 1170, 1521, 1690, 2535, 2789, 3042, 5070, 5578, 7605, 8367, 13945, 15210, 16734, 25101, 27890, 36257, 41835, 50202, 72514, 83670, 108771, 125505, 181285, 217542, 251010, 326313, 362570, 471341, 543855, 652626, 942682, 1087710, 1414023, 1631565, 2356705, 2828046, 3263130, 4242069, 4713410, 7070115, 8484138, 14140230, 21210345, 42420690]

約数ペア:
[(1, 42420690), (2, 21210345), (3, 14140230), (5, 8484138), (6, 7070115), (9, 4713410), (10, 4242069), (13, 3263130), (15, 2828046), (18, 2356705), (26, 1631565), (30, 1414023), (39, 1087710), (45, 942682), (65, 652626), (78, 543855), (90, 471341), (117, 362570), (130, 326313), (169, 251010), (195, 217542), (234, 181285), (338, 125505), (390, 108771), (507, 83670), (585, 72514), (845, 50202), (1014, 41835), (1170, 36257), (1521, 27890), (1690, 25101), (2535, 16734), (2789, 15210), (3042, 13945), (5070, 8367), (5578, 7605)]

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