209546820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8753}}^1$

素因数の和:8794

約数の個数: 144

約数和(自身を含む): 764749440

約数和(自身を除く): 555202620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 3420, 3990, 4788, 5985, 7980, 8753, 11970, 17506, 23940, 26259, 35012, 43765, 52518, 61271, 78777, 87530, 105036, 122542, 131295, 157554, 166307, 175060, 183813, 245084, 262590, 306355, 315108, 332614, 367626, 393885, 498921, 525180, 551439, 612710, 665228, 735252, 787770, 831535, 919065, 997842, 1102878, 1164149, 1225420, 1496763, 1575540, 1663070, 1838130, 1995684, 2205756, 2328298, 2494605, 2757195, 2993526, 3326140, 3492447, 3676260, 4656596, 4989210, 5514390, 5820745, 5987052, 6984894, 7483815, 9978420, 10477341, 11028780, 11641490, 13969788, 14967630, 17462235, 20954682, 23282980, 29935260, 34924470, 41909364, 52386705, 69848940, 104773410, 209546820]

約数ペア:

[(1, 209546820), (2, 104773410), (3, 69848940), (4, 52386705), (5, 41909364), (6, 34924470), (7, 29935260), (9, 23282980), (10, 20954682), (12, 17462235), (14, 14967630), (15, 13969788), (18, 11641490), (19, 11028780), (20, 10477341), (21, 9978420), (28, 7483815), (30, 6984894), (35, 5987052), (36, 5820745), (38, 5514390), (42, 4989210), (45, 4656596), (57, 3676260), (60, 3492447), (63, 3326140), (70, 2993526), (76, 2757195), (84, 2494605), (90, 2328298), (95, 2205756), (105, 1995684), (114, 1838130), (126, 1663070), (133, 1575540), (140, 1496763), (171, 1225420), (180, 1164149), (190, 1102878), (210, 997842), (228, 919065), (252, 831535), (266, 787770), (285, 735252), (315, 665228), (342, 612710), (380, 551439), (399, 525180), (420, 498921), (532, 393885), (570, 367626), (630, 332614), (665, 315108), (684, 306355), (798, 262590), (855, 245084), (1140, 183813), (1197, 175060), (1260, 166307), (1330, 157554), (1596, 131295), (1710, 122542), (1995, 105036), (2394, 87530), (2660, 78777), (3420, 61271), (3990, 52518), (4788, 43765), (5985, 35012), (7980, 26259), (8753, 23940), (11970, 17506)]