About the Number

64489340

64489339 ← → 64489341

2進数表記:11110110000000011101111100

漢数字表記:六千四百四十八万九千三百四十

素因数分解:

2 2 × 5 1 × 53 1 × 83 1 × 733 1

素因数の和:878
約数の個数: 48
約数和(自身を含む): 139835808
約数和(自身を除く): 75346468

約数列:
[1, 2, 4, 5, 10, 20, 53, 83, 106, 166, 212, 265, 332, 415, 530, 733, 830, 1060, 1466, 1660, 2932, 3665, 4399, 7330, 8798, 14660, 17596, 21995, 38849, 43990, 60839, 77698, 87980, 121678, 155396, 194245, 243356, 304195, 388490, 608390, 776980, 1216780, 3224467, 6448934, 12897868, 16122335, 32244670, 64489340]

約数ペア:
[(1, 64489340), (2, 32244670), (4, 16122335), (5, 12897868), (10, 6448934), (20, 3224467), (53, 1216780), (83, 776980), (106, 608390), (166, 388490), (212, 304195), (265, 243356), (332, 194245), (415, 155396), (530, 121678), (733, 87980), (830, 77698), (1060, 60839), (1466, 43990), (1660, 38849), (2932, 21995), (3665, 17596), (4399, 14660), (7330, 8798)]

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