About the Number

2013212890

2013212889 ← → 2013212891

2進数表記:1110111111111110011000011011010

漢数字表記:二十億千三百二十一万二千八百九十

素因数分解:

2 1 × 5 1 × 13 1 × 61 1 × 127 1 × 1999 1

素因数の和:2207
約数の個数: 64
約数和(自身を含む): 3999744000
約数和(自身を除く): 1986531110

約数列:
[1, 2, 5, 10, 13, 26, 61, 65, 122, 127, 130, 254, 305, 610, 635, 793, 1270, 1586, 1651, 1999, 3302, 3965, 3998, 7747, 7930, 8255, 9995, 15494, 16510, 19990, 25987, 38735, 51974, 77470, 100711, 121939, 129935, 201422, 243878, 253873, 259870, 503555, 507746, 609695, 1007110, 1219390, 1269365, 1585207, 2538730, 3170414, 3300349, 6600698, 7926035, 15486253, 15852070, 16501745, 30972506, 33003490, 77431265, 154862530, 201321289, 402642578, 1006606445, 2013212890]

約数ペア:
[(1, 2013212890), (2, 1006606445), (5, 402642578), (10, 201321289), (13, 154862530), (26, 77431265), (61, 33003490), (65, 30972506), (122, 16501745), (127, 15852070), (130, 15486253), (254, 7926035), (305, 6600698), (610, 3300349), (635, 3170414), (793, 2538730), (1270, 1585207), (1586, 1269365), (1651, 1219390), (1999, 1007110), (3302, 609695), (3965, 507746), (3998, 503555), (7747, 259870), (7930, 253873), (8255, 243878), (9995, 201422), (15494, 129935), (16510, 121939), (19990, 100711), (25987, 77470), (38735, 51974)]

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