About the Number

123897390

123897389 ← → 123897391

2進数表記:111011000101000011000101110

漢数字表記:一億二千三百八十九万七千三百九十

素因数分解:

2 1 × 3 1 × 5 1 × 31 1 × 127 1 × 1049 1

素因数の和:1217
約数の個数: 64
約数和(自身を含む): 309657600
約数和(自身を除く): 185760210

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 127, 155, 186, 254, 310, 381, 465, 635, 762, 930, 1049, 1270, 1905, 2098, 3147, 3810, 3937, 5245, 6294, 7874, 10490, 11811, 15735, 19685, 23622, 31470, 32519, 39370, 59055, 65038, 97557, 118110, 133223, 162595, 195114, 266446, 325190, 399669, 487785, 666115, 799338, 975570, 1332230, 1998345, 3996690, 4129913, 8259826, 12389739, 20649565, 24779478, 41299130, 61948695, 123897390]

約数ペア:
[(1, 123897390), (2, 61948695), (3, 41299130), (5, 24779478), (6, 20649565), (10, 12389739), (15, 8259826), (30, 4129913), (31, 3996690), (62, 1998345), (93, 1332230), (127, 975570), (155, 799338), (186, 666115), (254, 487785), (310, 399669), (381, 325190), (465, 266446), (635, 195114), (762, 162595), (930, 133223), (1049, 118110), (1270, 97557), (1905, 65038), (2098, 59055), (3147, 39370), (3810, 32519), (3937, 31470), (5245, 23622), (6294, 19685), (7874, 15735), (10490, 11811)]

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