304896540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{390893}}^1$

素因数の和:390918

約数の個数: 48

約数和(自身を含む): 919382688

約数和(自身を除く): 614486148

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, 390893, 781786, 1172679, 1563572, 1954465, 2345358, 3908930, 4690716, 5081609, 5863395, 7817860, 10163218, 11726790, 15244827, 20326436, 23453580, 25408045, 30489654, 50816090, 60979308, 76224135, 101632180, 152448270, 304896540]

約数ペア:

[(1, 304896540), (2, 152448270), (3, 101632180), (4, 76224135), (5, 60979308), (6, 50816090), (10, 30489654), (12, 25408045), (13, 23453580), (15, 20326436), (20, 15244827), (26, 11726790), (30, 10163218), (39, 7817860), (52, 5863395), (60, 5081609), (65, 4690716), (78, 3908930), (130, 2345358), (156, 1954465), (195, 1563572), (260, 1172679), (390, 781786), (780, 390893)]