About the Number

138958890

138958889 ← → 138958891

2進数表記:1000010010000101100000101010

漢数字表記:一億三千八百九十五万八千八百九十

素因数分解:

2 1 × 3 1 × 5 1 × 7 1 × 149 1 × 4441 1

素因数の和:4607
約数の個数: 64
約数和(自身を含む): 383788800
約数和(自身を除く): 244829910

約数列:
[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 149, 210, 298, 447, 745, 894, 1043, 1490, 2086, 2235, 3129, 4441, 4470, 5215, 6258, 8882, 10430, 13323, 15645, 22205, 26646, 31087, 31290, 44410, 62174, 66615, 93261, 133230, 155435, 186522, 310870, 466305, 661709, 932610, 1323418, 1985127, 3308545, 3970254, 4631963, 6617090, 9263926, 9925635, 13895889, 19851270, 23159815, 27791778, 46319630, 69479445, 138958890]

約数ペア:
[(1, 138958890), (2, 69479445), (3, 46319630), (5, 27791778), (6, 23159815), (7, 19851270), (10, 13895889), (14, 9925635), (15, 9263926), (21, 6617090), (30, 4631963), (35, 3970254), (42, 3308545), (70, 1985127), (105, 1323418), (149, 932610), (210, 661709), (298, 466305), (447, 310870), (745, 186522), (894, 155435), (1043, 133230), (1490, 93261), (2086, 66615), (2235, 62174), (3129, 44410), (4441, 31290), (4470, 31087), (5215, 26646), (6258, 22205), (8882, 15645), (10430, 13323)]

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