About the Number

80990490

80990489 ← → 80990491

2進数表記:100110100111101000100011010

漢数字表記:八千九十九万四百九十

素因数分解:

2 1 × 3 1 × 5 1 × 7 1 × 113 1 × 3413 1

素因数の和:3543
約数の個数: 64
約数和(自身を含む): 224176896
約数和(自身を除く): 143186406

約数列:
[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 113, 210, 226, 339, 565, 678, 791, 1130, 1582, 1695, 2373, 3390, 3413, 3955, 4746, 6826, 7910, 10239, 11865, 17065, 20478, 23730, 23891, 34130, 47782, 51195, 71673, 102390, 119455, 143346, 238910, 358365, 385669, 716730, 771338, 1157007, 1928345, 2314014, 2699683, 3856690, 5399366, 5785035, 8099049, 11570070, 13498415, 16198098, 26996830, 40495245, 80990490]

約数ペア:
[(1, 80990490), (2, 40495245), (3, 26996830), (5, 16198098), (6, 13498415), (7, 11570070), (10, 8099049), (14, 5785035), (15, 5399366), (21, 3856690), (30, 2699683), (35, 2314014), (42, 1928345), (70, 1157007), (105, 771338), (113, 716730), (210, 385669), (226, 358365), (339, 238910), (565, 143346), (678, 119455), (791, 102390), (1130, 71673), (1582, 51195), (1695, 47782), (2373, 34130), (3390, 23891), (3413, 23730), (3955, 20478), (4746, 17065), (6826, 11865), (7910, 10239)]

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