28669620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{68261}}^1$

素因数の和:68280

約数の個数: 48

約数和(自身を含む): 91744128

約数和(自身を除く): 63074508

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 68261, 136522, 204783, 273044, 341305, 409566, 477827, 682610, 819132, 955654, 1023915, 1365220, 1433481, 1911308, 2047830, 2389135, 2866962, 4095660, 4778270, 5733924, 7167405, 9556540, 14334810, 28669620]

約数ペア:

[(1, 28669620), (2, 14334810), (3, 9556540), (4, 7167405), (5, 5733924), (6, 4778270), (7, 4095660), (10, 2866962), (12, 2389135), (14, 2047830), (15, 1911308), (20, 1433481), (21, 1365220), (28, 1023915), (30, 955654), (35, 819132), (42, 682610), (60, 477827), (70, 409566), (84, 341305), (105, 273044), (140, 204783), (210, 136522), (420, 68261)]