209255440

素因数分解:

$2^4\times 5^1\times {\mathrm{569}}^1\times {\mathrm{4597}}^1$

素因数の和:5179

約数の個数: 40

約数和(自身を含む): 487479960

約数和(自身を除く): 278224520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 569, 1138, 2276, 2845, 4552, 4597, 5690, 9104, 9194, 11380, 18388, 22760, 22985, 36776, 45520, 45970, 73552, 91940, 183880, 367760, 2615693, 5231386, 10462772, 13078465, 20925544, 26156930, 41851088, 52313860, 104627720, 209255440]

約数ペア:

[(1, 209255440), (2, 104627720), (4, 52313860), (5, 41851088), (8, 26156930), (10, 20925544), (16, 13078465), (20, 10462772), (40, 5231386), (80, 2615693), (569, 367760), (1138, 183880), (2276, 91940), (2845, 73552), (4552, 45970), (4597, 45520), (5690, 36776), (9104, 22985), (9194, 22760), (11380, 18388)]