248010075

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^3\times {\mathrm{37}}^1$

素因数の和:146

約数の個数: 72

約数和(自身を含む): 471426176

約数和(自身を除く): 223416101

約数列:

[1, 3, 5, 9, 15, 25, 31, 37, 45, 75, 93, 111, 155, 185, 225, 279, 333, 465, 555, 775, 925, 961, 1147, 1395, 1665, 2325, 2775, 2883, 3441, 4805, 5735, 6975, 8325, 8649, 10323, 14415, 17205, 24025, 28675, 29791, 35557, 43245, 51615, 72075, 86025, 89373, 106671, 148955, 177785, 216225, 258075, 268119, 320013, 446865, 533355, 744775, 888925, 1102267, 1340595, 1600065, 2234325, 2666775, 3306801, 5511335, 6702975, 8000325, 9920403, 16534005, 27556675, 49602015, 82670025, 248010075]

約数ペア:

[(1, 248010075), (3, 82670025), (5, 49602015), (9, 27556675), (15, 16534005), (25, 9920403), (31, 8000325), (37, 6702975), (45, 5511335), (75, 3306801), (93, 2666775), (111, 2234325), (155, 1600065), (185, 1340595), (225, 1102267), (279, 888925), (333, 744775), (465, 533355), (555, 446865), (775, 320013), (925, 268119), (961, 258075), (1147, 216225), (1395, 177785), (1665, 148955), (2325, 106671), (2775, 89373), (2883, 86025), (3441, 72075), (4805, 51615), (5735, 43245), (6975, 35557), (8325, 29791), (8649, 28675), (10323, 24025), (14415, 17205)]