28898220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37049}}^1$

素因数の和:37074

約数の個数: 48

約数和(自身を含む): 87141600

約数和(自身を除く): 58243380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 37049, 74098, 111147, 148196, 185245, 222294, 370490, 444588, 481637, 555735, 740980, 963274, 1111470, 1444911, 1926548, 2222940, 2408185, 2889822, 4816370, 5779644, 7224555, 9632740, 14449110, 28898220]

約数ペア:

[(1, 28898220), (2, 14449110), (3, 9632740), (4, 7224555), (5, 5779644), (6, 4816370), (10, 2889822), (12, 2408185), (13, 2222940), (15, 1926548), (20, 1444911), (26, 1111470), (30, 963274), (39, 740980), (52, 555735), (60, 481637), (65, 444588), (78, 370490), (130, 222294), (156, 185245), (195, 148196), (260, 111147), (390, 74098), (780, 37049)]