About the Number

2221590

2221589 ← → 2221591

2進数表記:1000011110011000010110

漢数字表記:二百二十二万千五百九十

素因数分解:

2 1 × 3 1 × 5 1 × 7 1 × 71 1 × 149 1

素因数の和:237
約数の個数: 64
約数和(自身を含む): 6220800
約数和(自身を除く): 3999210

約数列:
[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 71, 105, 142, 149, 210, 213, 298, 355, 426, 447, 497, 710, 745, 894, 994, 1043, 1065, 1490, 1491, 2086, 2130, 2235, 2485, 2982, 3129, 4470, 4970, 5215, 6258, 7455, 10430, 10579, 14910, 15645, 21158, 31290, 31737, 52895, 63474, 74053, 105790, 148106, 158685, 222159, 317370, 370265, 444318, 740530, 1110795, 2221590]

約数ペア:
[(1, 2221590), (2, 1110795), (3, 740530), (5, 444318), (6, 370265), (7, 317370), (10, 222159), (14, 158685), (15, 148106), (21, 105790), (30, 74053), (35, 63474), (42, 52895), (70, 31737), (71, 31290), (105, 21158), (142, 15645), (149, 14910), (210, 10579), (213, 10430), (298, 7455), (355, 6258), (426, 5215), (447, 4970), (497, 4470), (710, 3129), (745, 2982), (894, 2485), (994, 2235), (1043, 2130), (1065, 2086), (1490, 1491)]

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