201889520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{1033}}^1$

素因数の和:1402

約数の個数: 80

約数和(自身を含む): 538507200

約数和(自身を除く): 336617680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 349, 560, 698, 1033, 1396, 1745, 2066, 2443, 2792, 3490, 4132, 4886, 5165, 5584, 6980, 7231, 8264, 9772, 10330, 12215, 13960, 14462, 16528, 19544, 20660, 24430, 27920, 28924, 36155, 39088, 41320, 48860, 57848, 72310, 82640, 97720, 115696, 144620, 195440, 289240, 360517, 578480, 721034, 1442068, 1802585, 2523619, 2884136, 3605170, 5047238, 5768272, 7210340, 10094476, 12618095, 14420680, 20188952, 25236190, 28841360, 40377904, 50472380, 100944760, 201889520]

約数ペア:

[(1, 201889520), (2, 100944760), (4, 50472380), (5, 40377904), (7, 28841360), (8, 25236190), (10, 20188952), (14, 14420680), (16, 12618095), (20, 10094476), (28, 7210340), (35, 5768272), (40, 5047238), (56, 3605170), (70, 2884136), (80, 2523619), (112, 1802585), (140, 1442068), (280, 721034), (349, 578480), (560, 360517), (698, 289240), (1033, 195440), (1396, 144620), (1745, 115696), (2066, 97720), (2443, 82640), (2792, 72310), (3490, 57848), (4132, 48860), (4886, 41320), (5165, 39088), (5584, 36155), (6980, 28924), (7231, 27920), (8264, 24430), (9772, 20660), (10330, 19544), (12215, 16528), (13960, 14462)]