219978640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{3301}}^1$

素因数の和:3345

約数の個数: 120

約数和(自身を含む): 630140472

約数和(自身を除く): 410161832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 80, 85, 98, 112, 119, 136, 140, 170, 196, 238, 245, 272, 280, 340, 392, 476, 490, 560, 595, 680, 784, 833, 952, 980, 1190, 1360, 1666, 1904, 1960, 2380, 3301, 3332, 3920, 4165, 4760, 6602, 6664, 8330, 9520, 13204, 13328, 16505, 16660, 23107, 26408, 33010, 33320, 46214, 52816, 56117, 66020, 66640, 92428, 112234, 115535, 132040, 161749, 184856, 224468, 231070, 264080, 280585, 323498, 369712, 392819, 448936, 462140, 561170, 646996, 785638, 808745, 897872, 924280, 1122340, 1293992, 1571276, 1617490, 1848560, 1964095, 2244680, 2587984, 2749733, 3142552, 3234980, 3928190, 4489360, 5499466, 6285104, 6469960, 7856380, 10998932, 12939920, 13748665, 15712760, 21997864, 27497330, 31425520, 43995728, 54994660, 109989320, 219978640]

約数ペア:

[(1, 219978640), (2, 109989320), (4, 54994660), (5, 43995728), (7, 31425520), (8, 27497330), (10, 21997864), (14, 15712760), (16, 13748665), (17, 12939920), (20, 10998932), (28, 7856380), (34, 6469960), (35, 6285104), (40, 5499466), (49, 4489360), (56, 3928190), (68, 3234980), (70, 3142552), (80, 2749733), (85, 2587984), (98, 2244680), (112, 1964095), (119, 1848560), (136, 1617490), (140, 1571276), (170, 1293992), (196, 1122340), (238, 924280), (245, 897872), (272, 808745), (280, 785638), (340, 646996), (392, 561170), (476, 462140), (490, 448936), (560, 392819), (595, 369712), (680, 323498), (784, 280585), (833, 264080), (952, 231070), (980, 224468), (1190, 184856), (1360, 161749), (1666, 132040), (1904, 115535), (1960, 112234), (2380, 92428), (3301, 66640), (3332, 66020), (3920, 56117), (4165, 52816), (4760, 46214), (6602, 33320), (6664, 33010), (8330, 26408), (9520, 23107), (13204, 16660), (13328, 16505)]