123678790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1$

素因数の和:377

約数の個数: 64

約数和(自身を含む): 244981440

約数和(自身を除く): 121302650

約数列:

[1, 2, 5, 10, 19, 37, 38, 73, 74, 95, 146, 185, 190, 241, 365, 370, 482, 703, 730, 1205, 1387, 1406, 2410, 2701, 2774, 3515, 4579, 5402, 6935, 7030, 8917, 9158, 13505, 13870, 17593, 17834, 22895, 27010, 35186, 44585, 45790, 51319, 87965, 89170, 102638, 169423, 175930, 256595, 334267, 338846, 513190, 650941, 668534, 847115, 1301882, 1671335, 1694230, 3254705, 3342670, 6509410, 12367879, 24735758, 61839395, 123678790]

約数ペア:

[(1, 123678790), (2, 61839395), (5, 24735758), (10, 12367879), (19, 6509410), (37, 3342670), (38, 3254705), (73, 1694230), (74, 1671335), (95, 1301882), (146, 847115), (185, 668534), (190, 650941), (241, 513190), (365, 338846), (370, 334267), (482, 256595), (703, 175930), (730, 169423), (1205, 102638), (1387, 89170), (1406, 87965), (2410, 51319), (2701, 45790), (2774, 44585), (3515, 35186), (4579, 27010), (5402, 22895), (6935, 17834), (7030, 17593), (8917, 13870), (9158, 13505)]