About the Number

131430288

131430287 ← → 131430289

2進数表記:111110101010111011110010000

漢数字表記:一億三千百四十三万二百八十八

素因数分解:

2 4 × 3 1 × 11 1 × 59 1 × 4219 1

素因数の和:4300
約数の個数: 80
約数和(自身を含む): 376761600
約数和(自身を除く): 245331312

約数列:
[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 59, 66, 88, 118, 132, 176, 177, 236, 264, 354, 472, 528, 649, 708, 944, 1298, 1416, 1947, 2596, 2832, 3894, 4219, 5192, 7788, 8438, 10384, 12657, 15576, 16876, 25314, 31152, 33752, 46409, 50628, 67504, 92818, 101256, 139227, 185636, 202512, 248921, 278454, 371272, 497842, 556908, 742544, 746763, 995684, 1113816, 1493526, 1991368, 2227632, 2738131, 2987052, 3982736, 5476262, 5974104, 8214393, 10952524, 11948208, 16428786, 21905048, 32857572, 43810096, 65715144, 131430288]

約数ペア:
[(1, 131430288), (2, 65715144), (3, 43810096), (4, 32857572), (6, 21905048), (8, 16428786), (11, 11948208), (12, 10952524), (16, 8214393), (22, 5974104), (24, 5476262), (33, 3982736), (44, 2987052), (48, 2738131), (59, 2227632), (66, 1991368), (88, 1493526), (118, 1113816), (132, 995684), (176, 746763), (177, 742544), (236, 556908), (264, 497842), (354, 371272), (472, 278454), (528, 248921), (649, 202512), (708, 185636), (944, 139227), (1298, 101256), (1416, 92818), (1947, 67504), (2596, 50628), (2832, 46409), (3894, 33752), (4219, 31152), (5192, 25314), (7788, 16876), (8438, 15576), (10384, 12657)]

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