About the Number

30897990

30897989 ← → 30897991

2進数表記:1110101110111011101000110

漢数字表記:三千八十九万七千九百九十

素因数分解:

2 1 × 3 3 × 5 1 × 19 2 × 317 1

素因数の和:371
約数の個数: 96
約数和(自身を含む): 87233760
約数和(自身を除く): 56335770

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 90, 95, 114, 135, 171, 190, 270, 285, 317, 342, 361, 513, 570, 634, 722, 855, 951, 1026, 1083, 1585, 1710, 1805, 1902, 2166, 2565, 2853, 3170, 3249, 3610, 4755, 5130, 5415, 5706, 6023, 6498, 8559, 9510, 9747, 10830, 12046, 14265, 16245, 17118, 18069, 19494, 28530, 30115, 32490, 36138, 42795, 48735, 54207, 60230, 85590, 90345, 97470, 108414, 114437, 162621, 180690, 228874, 271035, 325242, 343311, 542070, 572185, 686622, 813105, 1029933, 1144370, 1626210, 1716555, 2059866, 3089799, 3433110, 5149665, 6179598, 10299330, 15448995, 30897990]

約数ペア:
[(1, 30897990), (2, 15448995), (3, 10299330), (5, 6179598), (6, 5149665), (9, 3433110), (10, 3089799), (15, 2059866), (18, 1716555), (19, 1626210), (27, 1144370), (30, 1029933), (38, 813105), (45, 686622), (54, 572185), (57, 542070), (90, 343311), (95, 325242), (114, 271035), (135, 228874), (171, 180690), (190, 162621), (270, 114437), (285, 108414), (317, 97470), (342, 90345), (361, 85590), (513, 60230), (570, 54207), (634, 48735), (722, 42795), (855, 36138), (951, 32490), (1026, 30115), (1083, 28530), (1585, 19494), (1710, 18069), (1805, 17118), (1902, 16245), (2166, 14265), (2565, 12046), (2853, 10830), (3170, 9747), (3249, 9510), (3610, 8559), (4755, 6498), (5130, 6023), (5415, 5706)]

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