685230

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1$

素因数の和:281

約数の個数: 64

約数和(自身を含む): 2032128

約数和(自身を除く): 1346898

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 251, 273, 390, 455, 502, 546, 753, 910, 1255, 1365, 1506, 1757, 2510, 2730, 3263, 3514, 3765, 5271, 6526, 7530, 8785, 9789, 10542, 16315, 17570, 19578, 22841, 26355, 32630, 45682, 48945, 52710, 68523, 97890, 114205, 137046, 228410, 342615, 685230]

約数ペア:

[(1, 685230), (2, 342615), (3, 228410), (5, 137046), (6, 114205), (7, 97890), (10, 68523), (13, 52710), (14, 48945), (15, 45682), (21, 32630), (26, 26355), (30, 22841), (35, 19578), (39, 17570), (42, 16315), (65, 10542), (70, 9789), (78, 8785), (91, 7530), (105, 6526), (130, 5271), (182, 3765), (195, 3514), (210, 3263), (251, 2730), (273, 2510), (390, 1757), (455, 1506), (502, 1365), (546, 1255), (753, 910)]