About the Number

121569390

121569389 ← → 121569391

2進数表記:111001111110000000001101110

漢数字表記:一億二千百五十六万九千三百九十

素因数分解:

2 1 × 3 3 × 5 1 × 450257 1

素因数の和:450273
約数の個数: 32
約数和(自身を含む): 324185760
約数和(自身を除く): 202616370

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 450257, 900514, 1350771, 2251285, 2701542, 4052313, 4502570, 6753855, 8104626, 12156939, 13507710, 20261565, 24313878, 40523130, 60784695, 121569390]

約数ペア:
[(1, 121569390), (2, 60784695), (3, 40523130), (5, 24313878), (6, 20261565), (9, 13507710), (10, 12156939), (15, 8104626), (18, 6753855), (27, 4502570), (30, 4052313), (45, 2701542), (54, 2251285), (90, 1350771), (135, 900514), (270, 450257)]

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