221625540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{42457}}^1$

素因数の和:42501

約数の個数: 72

約数和(自身を含む): 695462040

約数和(自身を除く): 473836500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 42457, 84914, 127371, 169828, 212285, 254742, 382113, 424570, 509484, 636855, 764226, 849140, 1231253, 1273710, 1528452, 1910565, 2462506, 2547420, 3693759, 3821130, 4925012, 6156265, 7387518, 7642260, 11081277, 12312530, 14775036, 18468795, 22162554, 24625060, 36937590, 44325108, 55406385, 73875180, 110812770, 221625540]

約数ペア:

[(1, 221625540), (2, 110812770), (3, 73875180), (4, 55406385), (5, 44325108), (6, 36937590), (9, 24625060), (10, 22162554), (12, 18468795), (15, 14775036), (18, 12312530), (20, 11081277), (29, 7642260), (30, 7387518), (36, 6156265), (45, 4925012), (58, 3821130), (60, 3693759), (87, 2547420), (90, 2462506), (116, 1910565), (145, 1528452), (174, 1273710), (180, 1231253), (261, 849140), (290, 764226), (348, 636855), (435, 509484), (522, 424570), (580, 382113), (870, 254742), (1044, 212285), (1305, 169828), (1740, 127371), (2610, 84914), (5220, 42457)]