138470930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:371

約数の個数: 64

約数和(自身を含む): 277820928

約数和(自身を除く): 139349998

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 130, 131, 173, 235, 262, 346, 470, 611, 655, 865, 1222, 1310, 1703, 1730, 2249, 3055, 3406, 4498, 6110, 6157, 8131, 8515, 11245, 12314, 16262, 17030, 22490, 22663, 30785, 40655, 45326, 61570, 80041, 81310, 105703, 113315, 160082, 211406, 226630, 294619, 400205, 528515, 589238, 800410, 1057030, 1065161, 1473095, 2130322, 2946190, 5325805, 10651610, 13847093, 27694186, 69235465, 138470930]

約数ペア:

[(1, 138470930), (2, 69235465), (5, 27694186), (10, 13847093), (13, 10651610), (26, 5325805), (47, 2946190), (65, 2130322), (94, 1473095), (130, 1065161), (131, 1057030), (173, 800410), (235, 589238), (262, 528515), (346, 400205), (470, 294619), (611, 226630), (655, 211406), (865, 160082), (1222, 113315), (1310, 105703), (1703, 81310), (1730, 80041), (2249, 61570), (3055, 45326), (3406, 40655), (4498, 30785), (6110, 22663), (6157, 22490), (8131, 17030), (8515, 16262), (11245, 12314)]