About the Number

131298900

131298899 ← → 131298901

2進数表記:111110100110111011001010100

漢数字表記:一億三千百二十九万八千九百

素因数分解:

2 2 × 3 1 × 5 2 × 269 1 × 1627 1

素因数の和:1913
約数の個数: 72
約数和(自身を含む): 381538080
約数和(自身を除く): 250239180

約数列:
[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 269, 300, 538, 807, 1076, 1345, 1614, 1627, 2690, 3228, 3254, 4035, 4881, 5380, 6508, 6725, 8070, 8135, 9762, 13450, 16140, 16270, 19524, 20175, 24405, 26900, 32540, 40350, 40675, 48810, 80700, 81350, 97620, 122025, 162700, 244050, 437663, 488100, 875326, 1312989, 1750652, 2188315, 2625978, 4376630, 5251956, 6564945, 8753260, 10941575, 13129890, 21883150, 26259780, 32824725, 43766300, 65649450, 131298900]

約数ペア:
[(1, 131298900), (2, 65649450), (3, 43766300), (4, 32824725), (5, 26259780), (6, 21883150), (10, 13129890), (12, 10941575), (15, 8753260), (20, 6564945), (25, 5251956), (30, 4376630), (50, 2625978), (60, 2188315), (75, 1750652), (100, 1312989), (150, 875326), (269, 488100), (300, 437663), (538, 244050), (807, 162700), (1076, 122025), (1345, 97620), (1614, 81350), (1627, 80700), (2690, 48810), (3228, 40675), (3254, 40350), (4035, 32540), (4881, 26900), (5380, 24405), (6508, 20175), (6725, 19524), (8070, 16270), (8135, 16140), (9762, 13450)]

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