212106100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{461}}^1$

素因数の和:625

約数の個数: 72

約数和(自身を含む): 476407008

約数和(自身を除く): 264300908

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 107, 172, 214, 215, 428, 430, 461, 535, 860, 922, 1070, 1075, 1844, 2140, 2150, 2305, 2675, 4300, 4601, 4610, 5350, 9202, 9220, 10700, 11525, 18404, 19823, 23005, 23050, 39646, 46010, 46100, 49327, 79292, 92020, 98654, 99115, 115025, 197308, 198230, 230050, 246635, 396460, 460100, 493270, 495575, 986540, 991150, 1233175, 1982300, 2121061, 2466350, 4242122, 4932700, 8484244, 10605305, 21210610, 42421220, 53026525, 106053050, 212106100]

約数ペア:

[(1, 212106100), (2, 106053050), (4, 53026525), (5, 42421220), (10, 21210610), (20, 10605305), (25, 8484244), (43, 4932700), (50, 4242122), (86, 2466350), (100, 2121061), (107, 1982300), (172, 1233175), (214, 991150), (215, 986540), (428, 495575), (430, 493270), (461, 460100), (535, 396460), (860, 246635), (922, 230050), (1070, 198230), (1075, 197308), (1844, 115025), (2140, 99115), (2150, 98654), (2305, 92020), (2675, 79292), (4300, 49327), (4601, 46100), (4610, 46010), (5350, 39646), (9202, 23050), (9220, 23005), (10700, 19823), (11525, 18404)]