28531860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{67933}}^1$

素因数の和:67952

約数の個数: 48

約数和(自身を含む): 91303296

約数和(自身を除く): 62771436

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, 67933, 135866, 203799, 271732, 339665, 407598, 475531, 679330, 815196, 951062, 1018995, 1358660, 1426593, 1902124, 2037990, 2377655, 2853186, 4075980, 4755310, 5706372, 7132965, 9510620, 14265930, 28531860]

約数ペア:

[(1, 28531860), (2, 14265930), (3, 9510620), (4, 7132965), (5, 5706372), (6, 4755310), (7, 4075980), (10, 2853186), (12, 2377655), (14, 2037990), (15, 1902124), (20, 1426593), (21, 1358660), (28, 1018995), (30, 951062), (35, 815196), (42, 679330), (60, 475531), (70, 407598), (84, 339665), (105, 271732), (140, 203799), (210, 135866), (420, 67933)]