278740602

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{761}}^1$

素因数の和:818

約数の個数: 160

約数和(自身を含む): 796625280

約数和(自身を除く): 517884678

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 19, 21, 27, 34, 38, 42, 51, 54, 57, 63, 81, 102, 114, 119, 126, 133, 153, 162, 171, 189, 238, 266, 306, 323, 342, 357, 378, 399, 459, 513, 567, 646, 714, 761, 798, 918, 969, 1026, 1071, 1134, 1197, 1377, 1522, 1539, 1938, 2142, 2261, 2283, 2394, 2754, 2907, 3078, 3213, 3591, 4522, 4566, 5327, 5814, 6426, 6783, 6849, 7182, 8721, 9639, 10654, 10773, 12937, 13566, 13698, 14459, 15981, 17442, 19278, 20349, 20547, 21546, 25874, 26163, 28918, 31962, 38811, 40698, 41094, 43377, 47943, 52326, 61047, 61641, 77622, 86754, 90559, 95886, 101213, 116433, 122094, 123282, 130131, 143829, 181118, 183141, 202426, 232866, 245803, 260262, 271677, 287658, 303639, 349299, 366282, 390393, 431487, 491606, 543354, 607278, 698598, 737409, 780786, 815031, 862974, 910917, 1047897, 1171179, 1474818, 1630062, 1720621, 1821834, 2095794, 2212227, 2342358, 2445093, 2732751, 3441242, 4424454, 4890186, 5161863, 5465502, 6636681, 7335279, 8198253, 10323726, 13273362, 14670558, 15485589, 16396506, 19910043, 30971178, 39820086, 46456767, 92913534, 139370301, 278740602]

約数ペア:

[(1, 278740602), (2, 139370301), (3, 92913534), (6, 46456767), (7, 39820086), (9, 30971178), (14, 19910043), (17, 16396506), (18, 15485589), (19, 14670558), (21, 13273362), (27, 10323726), (34, 8198253), (38, 7335279), (42, 6636681), (51, 5465502), (54, 5161863), (57, 4890186), (63, 4424454), (81, 3441242), (102, 2732751), (114, 2445093), (119, 2342358), (126, 2212227), (133, 2095794), (153, 1821834), (162, 1720621), (171, 1630062), (189, 1474818), (238, 1171179), (266, 1047897), (306, 910917), (323, 862974), (342, 815031), (357, 780786), (378, 737409), (399, 698598), (459, 607278), (513, 543354), (567, 491606), (646, 431487), (714, 390393), (761, 366282), (798, 349299), (918, 303639), (969, 287658), (1026, 271677), (1071, 260262), (1134, 245803), (1197, 232866), (1377, 202426), (1522, 183141), (1539, 181118), (1938, 143829), (2142, 130131), (2261, 123282), (2283, 122094), (2394, 116433), (2754, 101213), (2907, 95886), (3078, 90559), (3213, 86754), (3591, 77622), (4522, 61641), (4566, 61047), (5327, 52326), (5814, 47943), (6426, 43377), (6783, 41094), (6849, 40698), (7182, 38811), (8721, 31962), (9639, 28918), (10654, 26163), (10773, 25874), (12937, 21546), (13566, 20547), (13698, 20349), (14459, 19278), (15981, 17442)]