About the Number

420161290

420161289 ← → 420161291

2進数表記:11001000010110010011100001010

漢数字表記:四億二千十六万千二百九十

素因数分解:

2 1 × 5 1 × 17 1 × 31 1 × 61 1 × 1307 1

素因数の和:1423
約数の個数: 64
約数和(自身を含む): 840803328
約数和(自身を除く): 420642038

約数列:
[1, 2, 5, 10, 17, 31, 34, 61, 62, 85, 122, 155, 170, 305, 310, 527, 610, 1037, 1054, 1307, 1891, 2074, 2614, 2635, 3782, 5185, 5270, 6535, 9455, 10370, 13070, 18910, 22219, 32147, 40517, 44438, 64294, 79727, 81034, 111095, 159454, 160735, 202585, 222190, 321470, 398635, 405170, 688789, 797270, 1355359, 1377578, 2471537, 2710718, 3443945, 4943074, 6776795, 6887890, 12357685, 13553590, 24715370, 42016129, 84032258, 210080645, 420161290]

約数ペア:
[(1, 420161290), (2, 210080645), (5, 84032258), (10, 42016129), (17, 24715370), (31, 13553590), (34, 12357685), (61, 6887890), (62, 6776795), (85, 4943074), (122, 3443945), (155, 2710718), (170, 2471537), (305, 1377578), (310, 1355359), (527, 797270), (610, 688789), (1037, 405170), (1054, 398635), (1307, 321470), (1891, 222190), (2074, 202585), (2614, 160735), (2635, 159454), (3782, 111095), (5185, 81034), (5270, 79727), (6535, 64294), (9455, 44438), (10370, 40517), (13070, 32147), (18910, 22219)]

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