About the Number

8138354490

8138354489 ← → 8138354491

2進数表記:111100101000101010110111100111010

漢数字表記:八十一億三千八百三十五万四千四百九十

素因数分解:

2 1 × 3 2 × 5 1 × 7 1 × 12918023 1

素因数の和:12918043
約数の個数: 48
約数和(自身を含む): 24182540928
約数和(自身を除く): 16044186438

約数列:
[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 12918023, 25836046, 38754069, 64590115, 77508138, 90426161, 116262207, 129180230, 180852322, 193770345, 232524414, 271278483, 387540690, 452130805, 542556966, 581311035, 813835449, 904261610, 1162622070, 1356392415, 1627670898, 2712784830, 4069177245, 8138354490]

約数ペア:
[(1, 8138354490), (2, 4069177245), (3, 2712784830), (5, 1627670898), (6, 1356392415), (7, 1162622070), (9, 904261610), (10, 813835449), (14, 581311035), (15, 542556966), (18, 452130805), (21, 387540690), (30, 271278483), (35, 232524414), (42, 193770345), (45, 180852322), (63, 129180230), (70, 116262207), (90, 90426161), (105, 77508138), (126, 64590115), (210, 38754069), (315, 25836046), (630, 12918023)]

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