About the Number

129817890

129817889 ← → 129817891

2進数表記:111101111001101110100100010

漢数字表記:一億二千九百八十一万七千八百九十

素因数分解:

2 1 × 3 5 × 5 1 × 41 1 × 1303 1

素因数の和:1366
約数の個数: 96
約数和(自身を含む): 358839936
約数和(自身を除く): 229022046

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 41, 45, 54, 81, 82, 90, 123, 135, 162, 205, 243, 246, 270, 369, 405, 410, 486, 615, 738, 810, 1107, 1215, 1230, 1303, 1845, 2214, 2430, 2606, 3321, 3690, 3909, 5535, 6515, 6642, 7818, 9963, 11070, 11727, 13030, 16605, 19545, 19926, 23454, 33210, 35181, 39090, 49815, 53423, 58635, 70362, 99630, 105543, 106846, 117270, 160269, 175905, 211086, 267115, 316629, 320538, 351810, 480807, 527715, 534230, 633258, 801345, 961614, 1055430, 1442421, 1583145, 1602690, 2404035, 2884842, 3166290, 4327263, 4808070, 7212105, 8654526, 12981789, 14424210, 21636315, 25963578, 43272630, 64908945, 129817890]

約数ペア:
[(1, 129817890), (2, 64908945), (3, 43272630), (5, 25963578), (6, 21636315), (9, 14424210), (10, 12981789), (15, 8654526), (18, 7212105), (27, 4808070), (30, 4327263), (41, 3166290), (45, 2884842), (54, 2404035), (81, 1602690), (82, 1583145), (90, 1442421), (123, 1055430), (135, 961614), (162, 801345), (205, 633258), (243, 534230), (246, 527715), (270, 480807), (369, 351810), (405, 320538), (410, 316629), (486, 267115), (615, 211086), (738, 175905), (810, 160269), (1107, 117270), (1215, 106846), (1230, 105543), (1303, 99630), (1845, 70362), (2214, 58635), (2430, 53423), (2606, 49815), (3321, 39090), (3690, 35181), (3909, 33210), (5535, 23454), (6515, 19926), (6642, 19545), (7818, 16605), (9963, 13030), (11070, 11727)]

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