28756770

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3701}}^1$

素因数の和:3755

約数の個数: 64

約数和(自身を含む): 81029376

約数和(自身を除く): 52272606

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 37, 42, 70, 74, 105, 111, 185, 210, 222, 259, 370, 518, 555, 777, 1110, 1295, 1554, 2590, 3701, 3885, 7402, 7770, 11103, 18505, 22206, 25907, 37010, 51814, 55515, 77721, 111030, 129535, 136937, 155442, 259070, 273874, 388605, 410811, 684685, 777210, 821622, 958559, 1369370, 1917118, 2054055, 2875677, 4108110, 4792795, 5751354, 9585590, 14378385, 28756770]

約数ペア:

[(1, 28756770), (2, 14378385), (3, 9585590), (5, 5751354), (6, 4792795), (7, 4108110), (10, 2875677), (14, 2054055), (15, 1917118), (21, 1369370), (30, 958559), (35, 821622), (37, 777210), (42, 684685), (70, 410811), (74, 388605), (105, 273874), (111, 259070), (185, 155442), (210, 136937), (222, 129535), (259, 111030), (370, 77721), (518, 55515), (555, 51814), (777, 37010), (1110, 25907), (1295, 22206), (1554, 18505), (2590, 11103), (3701, 7770), (3885, 7402)]