201130420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{4021}}^1$

素因数の和:4132

約数の個数: 48

約数和(自身を含む): 439878096

約数和(自身を除く): 238747676

約数列:

[1, 2, 4, 5, 10, 20, 41, 61, 82, 122, 164, 205, 244, 305, 410, 610, 820, 1220, 2501, 4021, 5002, 8042, 10004, 12505, 16084, 20105, 25010, 40210, 50020, 80420, 164861, 245281, 329722, 490562, 659444, 824305, 981124, 1226405, 1648610, 2452810, 3297220, 4905620, 10056521, 20113042, 40226084, 50282605, 100565210, 201130420]

約数ペア:

[(1, 201130420), (2, 100565210), (4, 50282605), (5, 40226084), (10, 20113042), (20, 10056521), (41, 4905620), (61, 3297220), (82, 2452810), (122, 1648610), (164, 1226405), (205, 981124), (244, 824305), (305, 659444), (410, 490562), (610, 329722), (820, 245281), (1220, 164861), (2501, 80420), (4021, 50020), (5002, 40210), (8042, 25010), (10004, 20105), (12505, 16084)]