28027860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{66733}}^1$

素因数の和:66752

約数の個数: 48

約数和(自身を含む): 89690496

約数和(自身を除く): 61662636

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, 66733, 133466, 200199, 266932, 333665, 400398, 467131, 667330, 800796, 934262, 1000995, 1334660, 1401393, 1868524, 2001990, 2335655, 2802786, 4003980, 4671310, 5605572, 7006965, 9342620, 14013930, 28027860]

約数ペア:

[(1, 28027860), (2, 14013930), (3, 9342620), (4, 7006965), (5, 5605572), (6, 4671310), (7, 4003980), (10, 2802786), (12, 2335655), (14, 2001990), (15, 1868524), (20, 1401393), (21, 1334660), (28, 1000995), (30, 934262), (35, 800796), (42, 667330), (60, 467131), (70, 400398), (84, 333665), (105, 266932), (140, 200199), (210, 133466), (420, 66733)]