291219895820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{297163159}}^1$

素因数の和:297163182

約数の個数: 36

約数和(自身を含む): 711408605040

約数和(自身を除く): 420188709220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 297163159, 594326318, 1188652636, 1485815795, 2080142113, 2971631590, 4160284226, 5943263180, 8320568452, 10400710565, 14560994791, 20801421130, 29121989582, 41602842260, 58243979164, 72804973955, 145609947910, 291219895820]

約数ペア:

[(1, 291219895820), (2, 145609947910), (4, 72804973955), (5, 58243979164), (7, 41602842260), (10, 29121989582), (14, 20801421130), (20, 14560994791), (28, 10400710565), (35, 8320568452), (49, 5943263180), (70, 4160284226), (98, 2971631590), (140, 2080142113), (196, 1485815795), (245, 1188652636), (490, 594326318), (980, 297163159)]