28853580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{68699}}^1$

素因数の和:68718

約数の個数: 48

約数和(自身を含む): 92332800

約数和(自身を除く): 63479220

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, 68699, 137398, 206097, 274796, 343495, 412194, 480893, 686990, 824388, 961786, 1030485, 1373980, 1442679, 1923572, 2060970, 2404465, 2885358, 4121940, 4808930, 5770716, 7213395, 9617860, 14426790, 28853580]

約数ペア:

[(1, 28853580), (2, 14426790), (3, 9617860), (4, 7213395), (5, 5770716), (6, 4808930), (7, 4121940), (10, 2885358), (12, 2404465), (14, 2060970), (15, 1923572), (20, 1442679), (21, 1373980), (28, 1030485), (30, 961786), (35, 824388), (42, 686990), (60, 480893), (70, 412194), (84, 343495), (105, 274796), (140, 206097), (210, 137398), (420, 68699)]