30501220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1087}}^1$

素因数の和:1180

約数の個数: 48

約数和(自身を含む): 67995648

約数和(自身を除く): 37494428

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 61, 92, 115, 122, 230, 244, 305, 460, 610, 1087, 1220, 1403, 2174, 2806, 4348, 5435, 5612, 7015, 10870, 14030, 21740, 25001, 28060, 50002, 66307, 100004, 125005, 132614, 250010, 265228, 331535, 500020, 663070, 1326140, 1525061, 3050122, 6100244, 7625305, 15250610, 30501220]

約数ペア:

[(1, 30501220), (2, 15250610), (4, 7625305), (5, 6100244), (10, 3050122), (20, 1525061), (23, 1326140), (46, 663070), (61, 500020), (92, 331535), (115, 265228), (122, 250010), (230, 132614), (244, 125005), (305, 100004), (460, 66307), (610, 50002), (1087, 28060), (1220, 25001), (1403, 21740), (2174, 14030), (2806, 10870), (4348, 7015), (5435, 5612)]