2019352440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{12203}}^1$

素因数の和:12421

約数の個数: 128

約数和(自身を含む): 6959208960

約数和(自身を除く): 4939856520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 197, 210, 280, 394, 420, 591, 788, 840, 985, 1182, 1379, 1576, 1970, 2364, 2758, 2955, 3940, 4137, 4728, 5516, 5910, 6895, 7880, 8274, 11032, 11820, 12203, 13790, 16548, 20685, 23640, 24406, 27580, 33096, 36609, 41370, 48812, 55160, 61015, 73218, 82740, 85421, 97624, 122030, 146436, 165480, 170842, 183045, 244060, 256263, 292872, 341684, 366090, 427105, 488120, 512526, 683368, 732180, 854210, 1025052, 1281315, 1464360, 1708420, 2050104, 2403991, 2562630, 3416840, 4807982, 5125260, 7211973, 9615964, 10250520, 12019955, 14423946, 16827937, 19231928, 24039910, 28847892, 33655874, 36059865, 48079820, 50483811, 57695784, 67311748, 72119730, 84139685, 96159640, 100967622, 134623496, 144239460, 168279370, 201935244, 252419055, 288478920, 336558740, 403870488, 504838110, 673117480, 1009676220, 2019352440]

約数ペア:

[(1, 2019352440), (2, 1009676220), (3, 673117480), (4, 504838110), (5, 403870488), (6, 336558740), (7, 288478920), (8, 252419055), (10, 201935244), (12, 168279370), (14, 144239460), (15, 134623496), (20, 100967622), (21, 96159640), (24, 84139685), (28, 72119730), (30, 67311748), (35, 57695784), (40, 50483811), (42, 48079820), (56, 36059865), (60, 33655874), (70, 28847892), (84, 24039910), (105, 19231928), (120, 16827937), (140, 14423946), (168, 12019955), (197, 10250520), (210, 9615964), (280, 7211973), (394, 5125260), (420, 4807982), (591, 3416840), (788, 2562630), (840, 2403991), (985, 2050104), (1182, 1708420), (1379, 1464360), (1576, 1281315), (1970, 1025052), (2364, 854210), (2758, 732180), (2955, 683368), (3940, 512526), (4137, 488120), (4728, 427105), (5516, 366090), (5910, 341684), (6895, 292872), (7880, 256263), (8274, 244060), (11032, 183045), (11820, 170842), (12203, 165480), (13790, 146436), (16548, 122030), (20685, 97624), (23640, 85421), (24406, 82740), (27580, 73218), (33096, 61015), (36609, 55160), (41370, 48812)]