17980492040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{371191}}^1$

素因数の和:371382

約数の個数: 64

約数和(自身を含む): 46502933760

約数和(自身を除く): 28522441720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 173, 280, 346, 692, 865, 1211, 1384, 1730, 2422, 3460, 4844, 6055, 6920, 9688, 12110, 24220, 48440, 371191, 742382, 1484764, 1855955, 2598337, 2969528, 3711910, 5196674, 7423820, 10393348, 12991685, 14847640, 20786696, 25983370, 51966740, 64216043, 103933480, 128432086, 256864172, 321080215, 449512301, 513728344, 642160430, 899024602, 1284320860, 1798049204, 2247561505, 2568641720, 3596098408, 4495123010, 8990246020, 17980492040]

約数ペア:

[(1, 17980492040), (2, 8990246020), (4, 4495123010), (5, 3596098408), (7, 2568641720), (8, 2247561505), (10, 1798049204), (14, 1284320860), (20, 899024602), (28, 642160430), (35, 513728344), (40, 449512301), (56, 321080215), (70, 256864172), (140, 128432086), (173, 103933480), (280, 64216043), (346, 51966740), (692, 25983370), (865, 20786696), (1211, 14847640), (1384, 12991685), (1730, 10393348), (2422, 7423820), (3460, 5196674), (4844, 3711910), (6055, 2969528), (6920, 2598337), (9688, 1855955), (12110, 1484764), (24220, 742382), (48440, 371191)]