28311990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4349}}^1$

素因数の和:4397

約数の個数: 64

約数和(自身を含む): 80179200

約数和(自身を除く): 51867210

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 93, 105, 155, 186, 210, 217, 310, 434, 465, 651, 930, 1085, 1302, 2170, 3255, 4349, 6510, 8698, 13047, 21745, 26094, 30443, 43490, 60886, 65235, 91329, 130470, 134819, 152215, 182658, 269638, 304430, 404457, 456645, 674095, 808914, 913290, 943733, 1348190, 1887466, 2022285, 2831199, 4044570, 4718665, 5662398, 9437330, 14155995, 28311990]

約数ペア:

[(1, 28311990), (2, 14155995), (3, 9437330), (5, 5662398), (6, 4718665), (7, 4044570), (10, 2831199), (14, 2022285), (15, 1887466), (21, 1348190), (30, 943733), (31, 913290), (35, 808914), (42, 674095), (62, 456645), (70, 404457), (93, 304430), (105, 269638), (155, 182658), (186, 152215), (210, 134819), (217, 130470), (310, 91329), (434, 65235), (465, 60886), (651, 43490), (930, 30443), (1085, 26094), (1302, 21745), (2170, 13047), (3255, 8698), (4349, 6510)]