208549740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{21589}}^1$

素因数の和:21631

約数の個数: 96

約数和(自身を含む): 696407040

約数和(自身を除く): 487857300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 140, 161, 210, 230, 276, 322, 345, 420, 460, 483, 644, 690, 805, 966, 1380, 1610, 1932, 2415, 3220, 4830, 9660, 21589, 43178, 64767, 86356, 107945, 129534, 151123, 215890, 259068, 302246, 323835, 431780, 453369, 496547, 604492, 647670, 755615, 906738, 993094, 1295340, 1489641, 1511230, 1813476, 1986188, 2266845, 2482735, 2979282, 3022460, 3475829, 4533690, 4965470, 5958564, 6951658, 7448205, 9067380, 9930940, 10427487, 13903316, 14896410, 17379145, 20854974, 29792820, 34758290, 41709948, 52137435, 69516580, 104274870, 208549740]

約数ペア:

[(1, 208549740), (2, 104274870), (3, 69516580), (4, 52137435), (5, 41709948), (6, 34758290), (7, 29792820), (10, 20854974), (12, 17379145), (14, 14896410), (15, 13903316), (20, 10427487), (21, 9930940), (23, 9067380), (28, 7448205), (30, 6951658), (35, 5958564), (42, 4965470), (46, 4533690), (60, 3475829), (69, 3022460), (70, 2979282), (84, 2482735), (92, 2266845), (105, 1986188), (115, 1813476), (138, 1511230), (140, 1489641), (161, 1295340), (210, 993094), (230, 906738), (276, 755615), (322, 647670), (345, 604492), (420, 496547), (460, 453369), (483, 431780), (644, 323835), (690, 302246), (805, 259068), (966, 215890), (1380, 151123), (1610, 129534), (1932, 107945), (2415, 86356), (3220, 64767), (4830, 43178), (9660, 21589)]