201499420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{3461}}^1$

素因数の和:3582

約数の個数: 48

約数和(自身を含む): 439701696

約数和(自身を除く): 238202276

約数列:

[1, 2, 4, 5, 10, 20, 41, 71, 82, 142, 164, 205, 284, 355, 410, 710, 820, 1420, 2911, 3461, 5822, 6922, 11644, 13844, 14555, 17305, 29110, 34610, 58220, 69220, 141901, 245731, 283802, 491462, 567604, 709505, 982924, 1228655, 1419010, 2457310, 2838020, 4914620, 10074971, 20149942, 40299884, 50374855, 100749710, 201499420]

約数ペア:

[(1, 201499420), (2, 100749710), (4, 50374855), (5, 40299884), (10, 20149942), (20, 10074971), (41, 4914620), (71, 2838020), (82, 2457310), (142, 1419010), (164, 1228655), (205, 982924), (284, 709505), (355, 567604), (410, 491462), (710, 283802), (820, 245731), (1420, 141901), (2911, 69220), (3461, 58220), (5822, 34610), (6922, 29110), (11644, 17305), (13844, 14555)]