218565440

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11197}}^1$

素因数の和:11275

約数の個数: 56

約数和(自身を含む): 529038312

約数和(自身を除く): 310472872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 488, 610, 976, 1220, 1952, 2440, 3904, 4880, 9760, 11197, 19520, 22394, 44788, 55985, 89576, 111970, 179152, 223940, 358304, 447880, 683017, 716608, 895760, 1366034, 1791520, 2732068, 3415085, 3583040, 5464136, 6830170, 10928272, 13660340, 21856544, 27320680, 43713088, 54641360, 109282720, 218565440]

約数ペア:

[(1, 218565440), (2, 109282720), (4, 54641360), (5, 43713088), (8, 27320680), (10, 21856544), (16, 13660340), (20, 10928272), (32, 6830170), (40, 5464136), (61, 3583040), (64, 3415085), (80, 2732068), (122, 1791520), (160, 1366034), (244, 895760), (305, 716608), (320, 683017), (488, 447880), (610, 358304), (976, 223940), (1220, 179152), (1952, 111970), (2440, 89576), (3904, 55985), (4880, 44788), (9760, 22394), (11197, 19520)]