About the Number

808250380

808250379 ← → 808250381

2進数表記:110000001011001110110000001100

漢数字表記:八億八百二十五万三百八十

素因数分解:

2 2 × 5 1 × 7 1 × 17 1 × 339601 1

素因数の和:339634
約数の個数: 48
約数和(自身を含む): 2053912896
約数和(自身を除く): 1245662516

約数列:
[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 339601, 679202, 1358404, 1698005, 2377207, 3396010, 4754414, 5773217, 6792020, 9508828, 11546434, 11886035, 23092868, 23772070, 28866085, 40412519, 47544140, 57732170, 80825038, 115464340, 161650076, 202062595, 404125190, 808250380]

約数ペア:
[(1, 808250380), (2, 404125190), (4, 202062595), (5, 161650076), (7, 115464340), (10, 80825038), (14, 57732170), (17, 47544140), (20, 40412519), (28, 28866085), (34, 23772070), (35, 23092868), (68, 11886035), (70, 11546434), (85, 9508828), (119, 6792020), (140, 5773217), (170, 4754414), (238, 3396010), (340, 2377207), (476, 1698005), (595, 1358404), (1190, 679202), (2380, 339601)]

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