About the Number

315086980

315086979 ← → 315086981

2進数表記:10010110001111101100010000100

漢数字表記:三億千五百八万六千九百八十

素因数分解:

2 2 × 5 1 × 13 2 × 73 1 × 1277 1

素因数の和:1385
約数の個数: 72
約数和(自身を含む): 726880392
約数和(自身を除く): 411793412

約数列:
[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 169, 260, 292, 338, 365, 676, 730, 845, 949, 1277, 1460, 1690, 1898, 2554, 3380, 3796, 4745, 5108, 6385, 9490, 12337, 12770, 16601, 18980, 24674, 25540, 33202, 49348, 61685, 66404, 83005, 93221, 123370, 166010, 186442, 215813, 246740, 332020, 372884, 431626, 466105, 863252, 932210, 1079065, 1211873, 1864420, 2158130, 2423746, 4316260, 4847492, 6059365, 12118730, 15754349, 24237460, 31508698, 63017396, 78771745, 157543490, 315086980]

約数ペア:
[(1, 315086980), (2, 157543490), (4, 78771745), (5, 63017396), (10, 31508698), (13, 24237460), (20, 15754349), (26, 12118730), (52, 6059365), (65, 4847492), (73, 4316260), (130, 2423746), (146, 2158130), (169, 1864420), (260, 1211873), (292, 1079065), (338, 932210), (365, 863252), (676, 466105), (730, 431626), (845, 372884), (949, 332020), (1277, 246740), (1460, 215813), (1690, 186442), (1898, 166010), (2554, 123370), (3380, 93221), (3796, 83005), (4745, 66404), (5108, 61685), (6385, 49348), (9490, 33202), (12337, 25540), (12770, 24674), (16601, 18980)]

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