1407718420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{907}}^1\times {\mathrm{1093}}^1$

素因数の和:2080

約数の個数: 48

約数和(自身を含む): 3003896448

約数和(自身を除く): 1596178028

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 907, 1093, 1420, 1814, 2186, 3628, 4372, 4535, 5465, 9070, 10930, 18140, 21860, 64397, 77603, 128794, 155206, 257588, 310412, 321985, 388015, 643970, 776030, 991351, 1287940, 1552060, 1982702, 3965404, 4956755, 9913510, 19827020, 70385921, 140771842, 281543684, 351929605, 703859210, 1407718420]

約数ペア:

[(1, 1407718420), (2, 703859210), (4, 351929605), (5, 281543684), (10, 140771842), (20, 70385921), (71, 19827020), (142, 9913510), (284, 4956755), (355, 3965404), (710, 1982702), (907, 1552060), (1093, 1287940), (1420, 991351), (1814, 776030), (2186, 643970), (3628, 388015), (4372, 321985), (4535, 310412), (5465, 257588), (9070, 155206), (10930, 128794), (18140, 77603), (21860, 64397)]