251185788

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:328

約数の個数: 144

約数和(自身を含む): 748500480

約数和(自身を除く): 497314692

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 71, 84, 101, 126, 139, 142, 202, 213, 252, 278, 284, 303, 404, 417, 426, 497, 556, 606, 639, 707, 834, 852, 909, 973, 994, 1212, 1251, 1278, 1414, 1491, 1668, 1818, 1946, 1988, 2121, 2502, 2556, 2828, 2919, 2982, 3636, 3892, 4242, 4473, 5004, 5838, 5964, 6363, 7171, 8484, 8757, 8946, 9869, 11676, 12726, 14039, 14342, 17514, 17892, 19738, 21513, 25452, 28078, 28684, 29607, 35028, 39476, 42117, 43026, 50197, 56156, 59214, 64539, 69083, 84234, 86052, 88821, 98273, 100394, 118428, 126351, 129078, 138166, 150591, 168468, 177642, 196546, 200788, 207249, 252702, 258156, 276332, 294819, 301182, 355284, 393092, 414498, 451773, 505404, 589638, 602364, 621747, 828996, 884457, 903546, 996769, 1179276, 1243494, 1768914, 1807092, 1993538, 2486988, 2990307, 3537828, 3987076, 5980614, 6977383, 8970921, 11961228, 13954766, 17941842, 20932149, 27909532, 35883684, 41864298, 62796447, 83728596, 125592894, 251185788]

約数ペア:

[(1, 251185788), (2, 125592894), (3, 83728596), (4, 62796447), (6, 41864298), (7, 35883684), (9, 27909532), (12, 20932149), (14, 17941842), (18, 13954766), (21, 11961228), (28, 8970921), (36, 6977383), (42, 5980614), (63, 3987076), (71, 3537828), (84, 2990307), (101, 2486988), (126, 1993538), (139, 1807092), (142, 1768914), (202, 1243494), (213, 1179276), (252, 996769), (278, 903546), (284, 884457), (303, 828996), (404, 621747), (417, 602364), (426, 589638), (497, 505404), (556, 451773), (606, 414498), (639, 393092), (707, 355284), (834, 301182), (852, 294819), (909, 276332), (973, 258156), (994, 252702), (1212, 207249), (1251, 200788), (1278, 196546), (1414, 177642), (1491, 168468), (1668, 150591), (1818, 138166), (1946, 129078), (1988, 126351), (2121, 118428), (2502, 100394), (2556, 98273), (2828, 88821), (2919, 86052), (2982, 84234), (3636, 69083), (3892, 64539), (4242, 59214), (4473, 56156), (5004, 50197), (5838, 43026), (5964, 42117), (6363, 39476), (7171, 35028), (8484, 29607), (8757, 28684), (8946, 28078), (9869, 25452), (11676, 21513), (12726, 19738), (14039, 17892), (14342, 17514)]