205340900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{66239}}^1$

素因数の和:66284

約数の個数: 36

約数和(自身を含む): 459970560

約数和(自身を除く): 254629660

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 66239, 132478, 264956, 331195, 662390, 1324780, 1655975, 2053409, 3311950, 4106818, 6623900, 8213636, 10267045, 20534090, 41068180, 51335225, 102670450, 205340900]

約数ペア:

[(1, 205340900), (2, 102670450), (4, 51335225), (5, 41068180), (10, 20534090), (20, 10267045), (25, 8213636), (31, 6623900), (50, 4106818), (62, 3311950), (100, 2053409), (124, 1655975), (155, 1324780), (310, 662390), (620, 331195), (775, 264956), (1550, 132478), (3100, 66239)]