About the Number

13128990

13128989 ← → 13128991

2進数表記:110010000101010100011110

漢数字表記:千三百十二万八千九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 7 1 × 101 1 × 619 1

素因数の和:737
約数の個数: 64
約数和(自身を含む): 36426240
約数和(自身を除く): 23297250

約数列:
[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 101, 105, 202, 210, 303, 505, 606, 619, 707, 1010, 1238, 1414, 1515, 1857, 2121, 3030, 3095, 3535, 3714, 4242, 4333, 6190, 7070, 8666, 9285, 10605, 12999, 18570, 21210, 21665, 25998, 43330, 62519, 64995, 125038, 129990, 187557, 312595, 375114, 437633, 625190, 875266, 937785, 1312899, 1875570, 2188165, 2625798, 4376330, 6564495, 13128990]

約数ペア:
[(1, 13128990), (2, 6564495), (3, 4376330), (5, 2625798), (6, 2188165), (7, 1875570), (10, 1312899), (14, 937785), (15, 875266), (21, 625190), (30, 437633), (35, 375114), (42, 312595), (70, 187557), (101, 129990), (105, 125038), (202, 64995), (210, 62519), (303, 43330), (505, 25998), (606, 21665), (619, 21210), (707, 18570), (1010, 12999), (1238, 10605), (1414, 9285), (1515, 8666), (1857, 7070), (2121, 6190), (3030, 4333), (3095, 4242), (3535, 3714)]

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