299311480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:305

約数の個数: 128

約数和(自身を含む): 755697600

約数和(自身を除く): 456386120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 101, 104, 130, 139, 164, 202, 205, 260, 278, 328, 404, 410, 505, 520, 533, 556, 695, 808, 820, 1010, 1066, 1112, 1313, 1390, 1640, 1807, 2020, 2132, 2626, 2665, 2780, 3614, 4040, 4141, 4264, 5252, 5330, 5560, 5699, 6565, 7228, 8282, 9035, 10504, 10660, 11398, 13130, 14039, 14456, 16564, 18070, 20705, 21320, 22796, 26260, 28078, 28495, 33128, 36140, 41410, 45592, 52520, 53833, 56156, 56990, 70195, 72280, 74087, 82820, 107666, 112312, 113980, 140390, 148174, 165640, 182507, 215332, 227960, 269165, 280780, 296348, 365014, 370435, 430664, 538330, 561560, 575599, 592696, 730028, 740870, 912535, 1076660, 1151198, 1460056, 1481740, 1825070, 2153320, 2302396, 2877995, 2963480, 3650140, 4604792, 5755990, 7300280, 7482787, 11511980, 14965574, 23023960, 29931148, 37413935, 59862296, 74827870, 149655740, 299311480]

約数ペア:

[(1, 299311480), (2, 149655740), (4, 74827870), (5, 59862296), (8, 37413935), (10, 29931148), (13, 23023960), (20, 14965574), (26, 11511980), (40, 7482787), (41, 7300280), (52, 5755990), (65, 4604792), (82, 3650140), (101, 2963480), (104, 2877995), (130, 2302396), (139, 2153320), (164, 1825070), (202, 1481740), (205, 1460056), (260, 1151198), (278, 1076660), (328, 912535), (404, 740870), (410, 730028), (505, 592696), (520, 575599), (533, 561560), (556, 538330), (695, 430664), (808, 370435), (820, 365014), (1010, 296348), (1066, 280780), (1112, 269165), (1313, 227960), (1390, 215332), (1640, 182507), (1807, 165640), (2020, 148174), (2132, 140390), (2626, 113980), (2665, 112312), (2780, 107666), (3614, 82820), (4040, 74087), (4141, 72280), (4264, 70195), (5252, 56990), (5330, 56156), (5560, 53833), (5699, 52520), (6565, 45592), (7228, 41410), (8282, 36140), (9035, 33128), (10504, 28495), (10660, 28078), (11398, 26260), (13130, 22796), (14039, 21320), (14456, 20705), (16564, 18070)]