129171310

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 253612800

約数和(自身を除く): 124441490

約数列:

[1, 2, 5, 10, 19, 38, 67, 73, 95, 134, 139, 146, 190, 278, 335, 365, 670, 695, 730, 1273, 1387, 1390, 2546, 2641, 2774, 4891, 5282, 6365, 6935, 9313, 9782, 10147, 12730, 13205, 13870, 18626, 20294, 24455, 26410, 46565, 48910, 50735, 92929, 93130, 101470, 176947, 185858, 192793, 353894, 385586, 464645, 679849, 884735, 929290, 963965, 1359698, 1769470, 1927930, 3399245, 6798490, 12917131, 25834262, 64585655, 129171310]

約数ペア:

[(1, 129171310), (2, 64585655), (5, 25834262), (10, 12917131), (19, 6798490), (38, 3399245), (67, 1927930), (73, 1769470), (95, 1359698), (134, 963965), (139, 929290), (146, 884735), (190, 679849), (278, 464645), (335, 385586), (365, 353894), (670, 192793), (695, 185858), (730, 176947), (1273, 101470), (1387, 93130), (1390, 92929), (2546, 50735), (2641, 48910), (2774, 46565), (4891, 26410), (5282, 24455), (6365, 20294), (6935, 18626), (9313, 13870), (9782, 13205), (10147, 12730)]