521923220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{286771}}^1$

素因数の和:286800

約数の個数: 48

約数和(自身を含む): 1348975488

約数和(自身を除く): 827052268

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 286771, 573542, 1147084, 1433855, 2007397, 2867710, 3728023, 4014794, 5735420, 7456046, 8029588, 10036985, 14912092, 18640115, 20073970, 26096161, 37280230, 40147940, 52192322, 74560460, 104384644, 130480805, 260961610, 521923220]

約数ペア:

[(1, 521923220), (2, 260961610), (4, 130480805), (5, 104384644), (7, 74560460), (10, 52192322), (13, 40147940), (14, 37280230), (20, 26096161), (26, 20073970), (28, 18640115), (35, 14912092), (52, 10036985), (65, 8029588), (70, 7456046), (91, 5735420), (130, 4014794), (140, 3728023), (182, 2867710), (260, 2007397), (364, 1433855), (455, 1147084), (910, 573542), (1820, 286771)]