249163980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{319441}}^1$

素因数の和:319466

約数の個数: 48

約数和(自身を含む): 751327584

約数和(自身を除く): 502163604

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, 319441, 638882, 958323, 1277764, 1597205, 1916646, 3194410, 3833292, 4152733, 4791615, 6388820, 8305466, 9583230, 12458199, 16610932, 19166460, 20763665, 24916398, 41527330, 49832796, 62290995, 83054660, 124581990, 249163980]

約数ペア:

[(1, 249163980), (2, 124581990), (3, 83054660), (4, 62290995), (5, 49832796), (6, 41527330), (10, 24916398), (12, 20763665), (13, 19166460), (15, 16610932), (20, 12458199), (26, 9583230), (30, 8305466), (39, 6388820), (52, 4791615), (60, 4152733), (65, 3833292), (78, 3194410), (130, 1916646), (156, 1597205), (195, 1277764), (260, 958323), (390, 638882), (780, 319441)]