839462020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{9883}}^1$

素因数の和:10060

約数の個数: 48

約数和(自身を含む): 1833205248

約数和(自身を除く): 993743228

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 137, 155, 274, 310, 548, 620, 685, 1370, 2740, 4247, 8494, 9883, 16988, 19766, 21235, 39532, 42470, 49415, 84940, 98830, 197660, 306373, 612746, 1225492, 1353971, 1531865, 2707942, 3063730, 5415884, 6127460, 6769855, 13539710, 27079420, 41973101, 83946202, 167892404, 209865505, 419731010, 839462020]

約数ペア:

[(1, 839462020), (2, 419731010), (4, 209865505), (5, 167892404), (10, 83946202), (20, 41973101), (31, 27079420), (62, 13539710), (124, 6769855), (137, 6127460), (155, 5415884), (274, 3063730), (310, 2707942), (548, 1531865), (620, 1353971), (685, 1225492), (1370, 612746), (2740, 306373), (4247, 197660), (8494, 98830), (9883, 84940), (16988, 49415), (19766, 42470), (21235, 39532)]