315871640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{161159}}^1$

素因数の和:161184

約数の個数: 48

約数和(自身を含む): 826750800

約数和(自身を除く): 510879160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 161159, 322318, 644636, 805795, 1128113, 1289272, 1611590, 2256226, 3223180, 4512452, 5640565, 6446360, 7896791, 9024904, 11281130, 15793582, 22562260, 31587164, 39483955, 45124520, 63174328, 78967910, 157935820, 315871640]

約数ペア:

[(1, 315871640), (2, 157935820), (4, 78967910), (5, 63174328), (7, 45124520), (8, 39483955), (10, 31587164), (14, 22562260), (20, 15793582), (28, 11281130), (35, 9024904), (40, 7896791), (49, 6446360), (56, 5640565), (70, 4512452), (98, 3223180), (140, 2256226), (196, 1611590), (245, 1289272), (280, 1128113), (392, 805795), (490, 644636), (980, 322318), (1960, 161159)]