129991540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{48869}}^1$

素因数の和:48904

約数の個数: 48

約数和(自身を含む): 328406400

約数和(自身を除く): 198414860

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, 48869, 97738, 195476, 244345, 342083, 488690, 684166, 928511, 977380, 1368332, 1710415, 1857022, 3420830, 3714044, 4642555, 6499577, 6841660, 9285110, 12999154, 18570220, 25998308, 32497885, 64995770, 129991540]

約数ペア:

[(1, 129991540), (2, 64995770), (4, 32497885), (5, 25998308), (7, 18570220), (10, 12999154), (14, 9285110), (19, 6841660), (20, 6499577), (28, 4642555), (35, 3714044), (38, 3420830), (70, 1857022), (76, 1710415), (95, 1368332), (133, 977380), (140, 928511), (190, 684166), (266, 488690), (380, 342083), (532, 244345), (665, 195476), (1330, 97738), (2660, 48869)]