29720420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1433}}^1$

素因数の和:1520

約数の個数: 48

約数和(自身を含む): 67214448

約数和(自身を除く): 37494028

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 244, 305, 340, 610, 1037, 1220, 1433, 2074, 2866, 4148, 5185, 5732, 7165, 10370, 14330, 20740, 24361, 28660, 48722, 87413, 97444, 121805, 174826, 243610, 349652, 437065, 487220, 874130, 1486021, 1748260, 2972042, 5944084, 7430105, 14860210, 29720420]

約数ペア:

[(1, 29720420), (2, 14860210), (4, 7430105), (5, 5944084), (10, 2972042), (17, 1748260), (20, 1486021), (34, 874130), (61, 487220), (68, 437065), (85, 349652), (122, 243610), (170, 174826), (244, 121805), (305, 97444), (340, 87413), (610, 48722), (1037, 28660), (1220, 24361), (1433, 20740), (2074, 14330), (2866, 10370), (4148, 7165), (5185, 5732)]