About the Number

68820990

68820989 ← → 68820991

2進数表記:100000110100001111111111110

漢数字表記:六千八百八十二万九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 7 2 × 46817 1

素因数の和:46841
約数の個数: 48
約数和(自身を含む): 192141072
約数和(自身を除く): 123320082

約数列:
[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 46817, 93634, 140451, 234085, 280902, 327719, 468170, 655438, 702255, 983157, 1404510, 1638595, 1966314, 2294033, 3277190, 4588066, 4915785, 6882099, 9831570, 11470165, 13764198, 22940330, 34410495, 68820990]

約数ペア:
[(1, 68820990), (2, 34410495), (3, 22940330), (5, 13764198), (6, 11470165), (7, 9831570), (10, 6882099), (14, 4915785), (15, 4588066), (21, 3277190), (30, 2294033), (35, 1966314), (42, 1638595), (49, 1404510), (70, 983157), (98, 702255), (105, 655438), (147, 468170), (210, 327719), (245, 280902), (294, 234085), (490, 140451), (735, 93634), (1470, 46817)]

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