205966460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{77431}}^1$

素因数の和:77466

約数の個数: 48

約数和(自身を含む): 520343040

約数和(自身を除く): 314376580

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 77431, 154862, 309724, 387155, 542017, 774310, 1084034, 1471189, 1548620, 2168068, 2710085, 2942378, 5420170, 5884756, 7355945, 10298323, 10840340, 14711890, 20596646, 29423780, 41193292, 51491615, 102983230, 205966460]

約数ペア:

[(1, 205966460), (2, 102983230), (4, 51491615), (5, 41193292), (7, 29423780), (10, 20596646), (14, 14711890), (19, 10840340), (20, 10298323), (28, 7355945), (35, 5884756), (38, 5420170), (70, 2942378), (76, 2710085), (95, 2168068), (133, 1548620), (140, 1471189), (190, 1084034), (266, 774310), (380, 542017), (532, 387155), (665, 309724), (1330, 154862), (2660, 77431)]