About the Number

69870390

69870389 ← → 69870391

2進数表記:100001010100010001100110110

漢数字表記:六千九百八十七万三百九十

素因数分解:

2 1 × 3 1 × 5 1 × 71 1 × 32803 1

素因数の和:32884
約数の個数: 32
約数和(自身を含む): 170055936
約数和(自身を除く): 100185546

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 32803, 65606, 98409, 164015, 196818, 328030, 492045, 984090, 2329013, 4658026, 6987039, 11645065, 13974078, 23290130, 34935195, 69870390]

約数ペア:
[(1, 69870390), (2, 34935195), (3, 23290130), (5, 13974078), (6, 11645065), (10, 6987039), (15, 4658026), (30, 2329013), (71, 984090), (142, 492045), (213, 328030), (355, 196818), (426, 164015), (710, 98409), (1065, 65606), (2130, 32803)]

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