28764860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1283}}^1$

素因数の和:1370

約数の個数: 48

約数和(自身を含む): 64713600

約数和(自身を除く): 35948740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 76, 95, 118, 190, 236, 295, 380, 590, 1121, 1180, 1283, 2242, 2566, 4484, 5132, 5605, 6415, 11210, 12830, 22420, 24377, 25660, 48754, 75697, 97508, 121885, 151394, 243770, 302788, 378485, 487540, 756970, 1438243, 1513940, 2876486, 5752972, 7191215, 14382430, 28764860]

約数ペア:

[(1, 28764860), (2, 14382430), (4, 7191215), (5, 5752972), (10, 2876486), (19, 1513940), (20, 1438243), (38, 756970), (59, 487540), (76, 378485), (95, 302788), (118, 243770), (190, 151394), (236, 121885), (295, 97508), (380, 75697), (590, 48754), (1121, 25660), (1180, 24377), (1283, 22420), (2242, 12830), (2566, 11210), (4484, 6415), (5132, 5605)]