About the Number

99131220

99131219 ← → 99131221

2進数表記:101111010001001111101010100

漢数字表記:九千九百十三万千二百二十

素因数分解:

2 2 × 3 2 × 5 1 × 107 1 × 5147 1

素因数の和:5269
約数の個数: 72
約数和(自身を含む): 303567264
約数和(自身を除く): 204436044

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 107, 180, 214, 321, 428, 535, 642, 963, 1070, 1284, 1605, 1926, 2140, 3210, 3852, 4815, 5147, 6420, 9630, 10294, 15441, 19260, 20588, 25735, 30882, 46323, 51470, 61764, 77205, 92646, 102940, 154410, 185292, 231615, 308820, 463230, 550729, 926460, 1101458, 1652187, 2202916, 2753645, 3304374, 4956561, 5507290, 6608748, 8260935, 9913122, 11014580, 16521870, 19826244, 24782805, 33043740, 49565610, 99131220]

約数ペア:
[(1, 99131220), (2, 49565610), (3, 33043740), (4, 24782805), (5, 19826244), (6, 16521870), (9, 11014580), (10, 9913122), (12, 8260935), (15, 6608748), (18, 5507290), (20, 4956561), (30, 3304374), (36, 2753645), (45, 2202916), (60, 1652187), (90, 1101458), (107, 926460), (180, 550729), (214, 463230), (321, 308820), (428, 231615), (535, 185292), (642, 154410), (963, 102940), (1070, 92646), (1284, 77205), (1605, 61764), (1926, 51470), (2140, 46323), (3210, 30882), (3852, 25735), (4815, 20588), (5147, 19260), (6420, 15441), (9630, 10294)]

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