278724852

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{233}}^1$

素因数の和:398

約数の個数: 144

約数和(自身を含む): 834043392

約数和(自身を除く): 555318540

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 47, 63, 84, 94, 101, 126, 141, 188, 202, 233, 252, 282, 303, 329, 404, 423, 466, 564, 606, 658, 699, 707, 846, 909, 932, 987, 1212, 1316, 1398, 1414, 1631, 1692, 1818, 1974, 2097, 2121, 2796, 2828, 2961, 3262, 3636, 3948, 4194, 4242, 4747, 4893, 5922, 6363, 6524, 8388, 8484, 9494, 9786, 10951, 11844, 12726, 14241, 14679, 18988, 19572, 21902, 23533, 25452, 28482, 29358, 32853, 33229, 42723, 43804, 47066, 56964, 58716, 65706, 66458, 70599, 76657, 85446, 94132, 98559, 99687, 131412, 132916, 141198, 153314, 164731, 170892, 197118, 199374, 211797, 229971, 282396, 299061, 306628, 329462, 394236, 398748, 423594, 459942, 494193, 598122, 658924, 689913, 847188, 919884, 988386, 1106051, 1196244, 1379826, 1482579, 1976772, 2212102, 2759652, 2965158, 3318153, 4424204, 5930316, 6636306, 7742357, 9954459, 13272612, 15484714, 19908918, 23227071, 30969428, 39817836, 46454142, 69681213, 92908284, 139362426, 278724852]

約数ペア:

[(1, 278724852), (2, 139362426), (3, 92908284), (4, 69681213), (6, 46454142), (7, 39817836), (9, 30969428), (12, 23227071), (14, 19908918), (18, 15484714), (21, 13272612), (28, 9954459), (36, 7742357), (42, 6636306), (47, 5930316), (63, 4424204), (84, 3318153), (94, 2965158), (101, 2759652), (126, 2212102), (141, 1976772), (188, 1482579), (202, 1379826), (233, 1196244), (252, 1106051), (282, 988386), (303, 919884), (329, 847188), (404, 689913), (423, 658924), (466, 598122), (564, 494193), (606, 459942), (658, 423594), (699, 398748), (707, 394236), (846, 329462), (909, 306628), (932, 299061), (987, 282396), (1212, 229971), (1316, 211797), (1398, 199374), (1414, 197118), (1631, 170892), (1692, 164731), (1818, 153314), (1974, 141198), (2097, 132916), (2121, 131412), (2796, 99687), (2828, 98559), (2961, 94132), (3262, 85446), (3636, 76657), (3948, 70599), (4194, 66458), (4242, 65706), (4747, 58716), (4893, 56964), (5922, 47066), (6363, 43804), (6524, 42723), (8388, 33229), (8484, 32853), (9494, 29358), (9786, 28482), (10951, 25452), (11844, 23533), (12726, 21902), (14241, 19572), (14679, 18988)]