207971070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{389}}^1$

素因数の和:721

約数の個数: 64

約数和(自身を含む): 509483520

約数和(自身を除く): 301512450

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 251, 355, 389, 426, 502, 710, 753, 778, 1065, 1167, 1255, 1506, 1945, 2130, 2334, 2510, 3765, 3890, 5835, 7530, 11670, 17821, 27619, 35642, 53463, 55238, 82857, 89105, 97639, 106926, 138095, 165714, 178210, 195278, 267315, 276190, 292917, 414285, 488195, 534630, 585834, 828570, 976390, 1464585, 2929170, 6932369, 13864738, 20797107, 34661845, 41594214, 69323690, 103985535, 207971070]

約数ペア:

[(1, 207971070), (2, 103985535), (3, 69323690), (5, 41594214), (6, 34661845), (10, 20797107), (15, 13864738), (30, 6932369), (71, 2929170), (142, 1464585), (213, 976390), (251, 828570), (355, 585834), (389, 534630), (426, 488195), (502, 414285), (710, 292917), (753, 276190), (778, 267315), (1065, 195278), (1167, 178210), (1255, 165714), (1506, 138095), (1945, 106926), (2130, 97639), (2334, 89105), (2510, 82857), (3765, 55238), (3890, 53463), (5835, 35642), (7530, 27619), (11670, 17821)]