291465440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1321}}^1$

素因数の和:1540

約数の個数: 96

約数和(自身を含む): 791550144

約数和(自身を除く): 500084704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 197, 224, 280, 394, 560, 788, 985, 1120, 1321, 1379, 1576, 1970, 2642, 2758, 3152, 3940, 5284, 5516, 6304, 6605, 6895, 7880, 9247, 10568, 11032, 13210, 13790, 15760, 18494, 21136, 22064, 26420, 27580, 31520, 36988, 42272, 44128, 46235, 52840, 55160, 73976, 92470, 105680, 110320, 147952, 184940, 211360, 220640, 260237, 295904, 369880, 520474, 739760, 1040948, 1301185, 1479520, 1821659, 2081896, 2602370, 3643318, 4163792, 5204740, 7286636, 8327584, 9108295, 10409480, 14573272, 18216590, 20818960, 29146544, 36433180, 41637920, 58293088, 72866360, 145732720, 291465440]

約数ペア:

[(1, 291465440), (2, 145732720), (4, 72866360), (5, 58293088), (7, 41637920), (8, 36433180), (10, 29146544), (14, 20818960), (16, 18216590), (20, 14573272), (28, 10409480), (32, 9108295), (35, 8327584), (40, 7286636), (56, 5204740), (70, 4163792), (80, 3643318), (112, 2602370), (140, 2081896), (160, 1821659), (197, 1479520), (224, 1301185), (280, 1040948), (394, 739760), (560, 520474), (788, 369880), (985, 295904), (1120, 260237), (1321, 220640), (1379, 211360), (1576, 184940), (1970, 147952), (2642, 110320), (2758, 105680), (3152, 92470), (3940, 73976), (5284, 55160), (5516, 52840), (6304, 46235), (6605, 44128), (6895, 42272), (7880, 36988), (9247, 31520), (10568, 27580), (11032, 26420), (13210, 22064), (13790, 21136), (15760, 18494)]