1010990180

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{349}}^1\times {\mathrm{601}}^1$

素因数の和:1200

約数の個数: 48

約数和(自身を含む): 2141554800

約数和(自身を除く): 1130564620

約数列:

[1, 2, 4, 5, 10, 20, 241, 349, 482, 601, 698, 964, 1202, 1205, 1396, 1745, 2404, 2410, 3005, 3490, 4820, 6010, 6980, 12020, 84109, 144841, 168218, 209749, 289682, 336436, 419498, 420545, 579364, 724205, 838996, 841090, 1048745, 1448410, 1682180, 2097490, 2896820, 4194980, 50549509, 101099018, 202198036, 252747545, 505495090, 1010990180]

約数ペア:

[(1, 1010990180), (2, 505495090), (4, 252747545), (5, 202198036), (10, 101099018), (20, 50549509), (241, 4194980), (349, 2896820), (482, 2097490), (601, 1682180), (698, 1448410), (964, 1048745), (1202, 841090), (1205, 838996), (1396, 724205), (1745, 579364), (2404, 420545), (2410, 419498), (3005, 336436), (3490, 289682), (4820, 209749), (6010, 168218), (6980, 144841), (12020, 84109)]