287293690

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1$

素因数の和:415

約数の個数: 64

約数和(自身を含む): 557010432

約数和(自身を除く): 269716742

約数列:

[1, 2, 5, 10, 23, 46, 71, 73, 115, 142, 146, 230, 241, 355, 365, 482, 710, 730, 1205, 1633, 1679, 2410, 3266, 3358, 5183, 5543, 8165, 8395, 10366, 11086, 16330, 16790, 17111, 17593, 25915, 27715, 34222, 35186, 51830, 55430, 85555, 87965, 119209, 171110, 175930, 238418, 393553, 404639, 596045, 787106, 809278, 1192090, 1249103, 1967765, 2023195, 2498206, 3935530, 4046390, 6245515, 12491030, 28729369, 57458738, 143646845, 287293690]

約数ペア:

[(1, 287293690), (2, 143646845), (5, 57458738), (10, 28729369), (23, 12491030), (46, 6245515), (71, 4046390), (73, 3935530), (115, 2498206), (142, 2023195), (146, 1967765), (230, 1249103), (241, 1192090), (355, 809278), (365, 787106), (482, 596045), (710, 404639), (730, 393553), (1205, 238418), (1633, 175930), (1679, 171110), (2410, 119209), (3266, 87965), (3358, 85555), (5183, 55430), (5543, 51830), (8165, 35186), (8395, 34222), (10366, 27715), (11086, 25915), (16330, 17593), (16790, 17111)]