28642894980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{7043}}^1$

素因数の和:7506

約数の個数: 192

約数和(自身を含む): 95883153408

約数和(自身を除く): 67240258428

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, 421, 460, 483, 644, 690, 805, 842, 966, 1263, 1380, 1610, 1684, 1932, 2105, 2415, 2526, 2947, 3220, 4210, 4830, 5052, 5894, 6315, 7043, 8420, 8841, 9660, 9683, 11788, 12630, 14086, 14735, 17682, 19366, 21129, 25260, 28172, 29049, 29470, 35215, 35364, 38732, 42258, 44205, 48415, 49301, 58098, 58940, 67781, 70430, 84516, 88410, 96830, 98602, 105645, 116196, 135562, 140860, 145245, 147903, 161989, 176820, 193660, 197204, 203343, 211290, 246505, 271124, 290490, 295806, 323978, 338905, 406686, 422580, 485967, 493010, 580980, 591612, 647956, 677810, 739515, 809945, 813372, 971934, 986020, 1016715, 1133923, 1355620, 1479030, 1619890, 1943868, 2033430, 2267846, 2429835, 2958060, 2965103, 3239780, 3401769, 4066860, 4535692, 4859670, 5669615, 5930206, 6803538, 8895309, 9719340, 11339230, 11860412, 13607076, 14825515, 17008845, 17790618, 20755721, 22678460, 29651030, 34017690, 35581236, 41511442, 44476545, 59302060, 62267163, 68035380, 68197369, 83022884, 88953090, 103778605, 124534326, 136394738, 177906180, 204592107, 207557210, 249068652, 272789476, 311335815, 340986845, 409184214, 415114420, 477381583, 622671630, 681973690, 818368428, 954763166, 1022960535, 1245343260, 1363947380, 1432144749, 1909526332, 2045921070, 2386907915, 2864289498, 4091842140, 4773815830, 5728578996, 7160723745, 9547631660, 14321447490, 28642894980]

約数ペア:

[(1, 28642894980), (2, 14321447490), (3, 9547631660), (4, 7160723745), (5, 5728578996), (6, 4773815830), (7, 4091842140), (10, 2864289498), (12, 2386907915), (14, 2045921070), (15, 1909526332), (20, 1432144749), (21, 1363947380), (23, 1245343260), (28, 1022960535), (30, 954763166), (35, 818368428), (42, 681973690), (46, 622671630), (60, 477381583), (69, 415114420), (70, 409184214), (84, 340986845), (92, 311335815), (105, 272789476), (115, 249068652), (138, 207557210), (140, 204592107), (161, 177906180), (210, 136394738), (230, 124534326), (276, 103778605), (322, 88953090), (345, 83022884), (420, 68197369), (421, 68035380), (460, 62267163), (483, 59302060), (644, 44476545), (690, 41511442), (805, 35581236), (842, 34017690), (966, 29651030), (1263, 22678460), (1380, 20755721), (1610, 17790618), (1684, 17008845), (1932, 14825515), (2105, 13607076), (2415, 11860412), (2526, 11339230), (2947, 9719340), (3220, 8895309), (4210, 6803538), (4830, 5930206), (5052, 5669615), (5894, 4859670), (6315, 4535692), (7043, 4066860), (8420, 3401769), (8841, 3239780), (9660, 2965103), (9683, 2958060), (11788, 2429835), (12630, 2267846), (14086, 2033430), (14735, 1943868), (17682, 1619890), (19366, 1479030), (21129, 1355620), (25260, 1133923), (28172, 1016715), (29049, 986020), (29470, 971934), (35215, 813372), (35364, 809945), (38732, 739515), (42258, 677810), (44205, 647956), (48415, 591612), (49301, 580980), (58098, 493010), (58940, 485967), (67781, 422580), (70430, 406686), (84516, 338905), (88410, 323978), (96830, 295806), (98602, 290490), (105645, 271124), (116196, 246505), (135562, 211290), (140860, 203343), (145245, 197204), (147903, 193660), (161989, 176820)]