820819780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{617}}^1\times {\mathrm{6047}}^1$

素因数の和:6684

約数の個数: 48

約数和(自身を含む): 1883782656

約数和(自身を除く): 1062962876

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 617, 1234, 2468, 3085, 6047, 6170, 6787, 12094, 12340, 13574, 24188, 27148, 30235, 33935, 60470, 66517, 67870, 120940, 133034, 135740, 266068, 332585, 665170, 1330340, 3730999, 7461998, 14923996, 18654995, 37309990, 41040989, 74619980, 82081978, 164163956, 205204945, 410409890, 820819780]

約数ペア:

[(1, 820819780), (2, 410409890), (4, 205204945), (5, 164163956), (10, 82081978), (11, 74619980), (20, 41040989), (22, 37309990), (44, 18654995), (55, 14923996), (110, 7461998), (220, 3730999), (617, 1330340), (1234, 665170), (2468, 332585), (3085, 266068), (6047, 135740), (6170, 133034), (6787, 120940), (12094, 67870), (12340, 66517), (13574, 60470), (24188, 33935), (27148, 30235)]