201990318460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{16211101}}^1$

素因数の和:16211206

約数の個数: 48

約数和(自身を含む): 490223724480

約数和(自身を除く): 288233406020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 6230, 12460, 16211101, 32422202, 64844404, 81055505, 113477707, 162111010, 226955414, 324222020, 453910828, 567388535, 1134777070, 1442787989, 2269554140, 2885575978, 5771151956, 7213939945, 10099515923, 14427879890, 20199031846, 28855759780, 40398063692, 50497579615, 100995159230, 201990318460]

約数ペア:

[(1, 201990318460), (2, 100995159230), (4, 50497579615), (5, 40398063692), (7, 28855759780), (10, 20199031846), (14, 14427879890), (20, 10099515923), (28, 7213939945), (35, 5771151956), (70, 2885575978), (89, 2269554140), (140, 1442787989), (178, 1134777070), (356, 567388535), (445, 453910828), (623, 324222020), (890, 226955414), (1246, 162111010), (1780, 113477707), (2492, 81055505), (3115, 64844404), (6230, 32422202), (12460, 16211101)]