About the Number

121998810

121998809 ← → 121998811

2進数表記:111010001011000110111011010

漢数字表記:一億二千百九十九万八千八百十

素因数分解:

2 1 × 3 1 × 5 1 × 19 1 × 214033 1

素因数の和:214062
約数の個数: 32
約数和(自身を含む): 308208960
約数和(自身を除く): 186210150

約数列:
[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 570, 214033, 428066, 642099, 1070165, 1284198, 2140330, 3210495, 4066627, 6420990, 8133254, 12199881, 20333135, 24399762, 40666270, 60999405, 121998810]

約数ペア:
[(1, 121998810), (2, 60999405), (3, 40666270), (5, 24399762), (6, 20333135), (10, 12199881), (15, 8133254), (19, 6420990), (30, 4066627), (38, 3210495), (57, 2140330), (95, 1284198), (114, 1070165), (190, 642099), (285, 428066), (570, 214033)]

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