263620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{269}}^1$

素因数の和:292

約数の個数: 36

約数和(自身を含む): 646380

約数和(自身を除く): 382760

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 269, 490, 538, 980, 1076, 1345, 1883, 2690, 3766, 5380, 7532, 9415, 13181, 18830, 26362, 37660, 52724, 65905, 131810, 263620]

約数ペア:

[(1, 263620), (2, 131810), (4, 65905), (5, 52724), (7, 37660), (10, 26362), (14, 18830), (20, 13181), (28, 9415), (35, 7532), (49, 5380), (70, 3766), (98, 2690), (140, 1883), (196, 1345), (245, 1076), (269, 980), (490, 538)]