474390

素因数分解:

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

素因数の和:274

約数の個数: 64

約数和(自身を含む): 1451520

約数和(自身を除く): 977130

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 251, 270, 315, 378, 502, 630, 753, 945, 1255, 1506, 1757, 1890, 2259, 2510, 3514, 3765, 4518, 5271, 6777, 7530, 8785, 10542, 11295, 13554, 15813, 17570, 22590, 26355, 31626, 33885, 47439, 52710, 67770, 79065, 94878, 158130, 237195, 474390]

約数ペア:

[(1, 474390), (2, 237195), (3, 158130), (5, 94878), (6, 79065), (7, 67770), (9, 52710), (10, 47439), (14, 33885), (15, 31626), (18, 26355), (21, 22590), (27, 17570), (30, 15813), (35, 13554), (42, 11295), (45, 10542), (54, 8785), (63, 7530), (70, 6777), (90, 5271), (105, 4518), (126, 3765), (135, 3514), (189, 2510), (210, 2259), (251, 1890), (270, 1757), (315, 1506), (378, 1255), (502, 945), (630, 753)]