About the Number

2813130

2813129 ← → 2813131

2進数表記:1010101110110011001010

漢数字表記:二百八十一万三千百三十

素因数分解:

2 1 × 3 4 × 5 1 × 23 1 × 151 1

素因数の和:193
約数の個数: 80
約数和(自身を含む): 7945344
約数和(自身を除く): 5132214

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 81, 90, 115, 135, 138, 151, 162, 207, 230, 270, 302, 345, 405, 414, 453, 621, 690, 755, 810, 906, 1035, 1242, 1359, 1510, 1863, 2070, 2265, 2718, 3105, 3473, 3726, 4077, 4530, 6210, 6795, 6946, 8154, 9315, 10419, 12231, 13590, 17365, 18630, 20385, 20838, 24462, 31257, 34730, 40770, 52095, 61155, 62514, 93771, 104190, 122310, 156285, 187542, 281313, 312570, 468855, 562626, 937710, 1406565, 2813130]

約数ペア:
[(1, 2813130), (2, 1406565), (3, 937710), (5, 562626), (6, 468855), (9, 312570), (10, 281313), (15, 187542), (18, 156285), (23, 122310), (27, 104190), (30, 93771), (45, 62514), (46, 61155), (54, 52095), (69, 40770), (81, 34730), (90, 31257), (115, 24462), (135, 20838), (138, 20385), (151, 18630), (162, 17365), (207, 13590), (230, 12231), (270, 10419), (302, 9315), (345, 8154), (405, 6946), (414, 6795), (453, 6210), (621, 4530), (690, 4077), (755, 3726), (810, 3473), (906, 3105), (1035, 2718), (1242, 2265), (1359, 2070), (1510, 1863)]

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