157025180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{3491}}^1$

素因数の和:3686

約数の個数: 48

約数和(自身を含む): 357273504

約数和(自身を除く): 200248324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 173, 260, 346, 692, 865, 1730, 2249, 3460, 3491, 4498, 6982, 8996, 11245, 13964, 17455, 22490, 34910, 44980, 45383, 69820, 90766, 181532, 226915, 453830, 603943, 907660, 1207886, 2415772, 3019715, 6039430, 7851259, 12078860, 15702518, 31405036, 39256295, 78512590, 157025180]

約数ペア:

[(1, 157025180), (2, 78512590), (4, 39256295), (5, 31405036), (10, 15702518), (13, 12078860), (20, 7851259), (26, 6039430), (52, 3019715), (65, 2415772), (130, 1207886), (173, 907660), (260, 603943), (346, 453830), (692, 226915), (865, 181532), (1730, 90766), (2249, 69820), (3460, 45383), (3491, 44980), (4498, 34910), (6982, 22490), (8996, 17455), (11245, 13964)]