221947020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{411013}}^1$

素因数の和:411031

約数の個数: 48

約数和(自身を含む): 690503520

約数和(自身を除く): 468556500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 411013, 822026, 1233039, 1644052, 2055065, 2466078, 3699117, 4110130, 4932156, 6165195, 7398234, 8220260, 11097351, 12330390, 14796468, 18495585, 22194702, 24660780, 36991170, 44389404, 55486755, 73982340, 110973510, 221947020]

約数ペア:

[(1, 221947020), (2, 110973510), (3, 73982340), (4, 55486755), (5, 44389404), (6, 36991170), (9, 24660780), (10, 22194702), (12, 18495585), (15, 14796468), (18, 12330390), (20, 11097351), (27, 8220260), (30, 7398234), (36, 6165195), (45, 4932156), (54, 4110130), (60, 3699117), (90, 2466078), (108, 2055065), (135, 1644052), (180, 1233039), (270, 822026), (540, 411013)]