1099108720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{443189}}^1$

素因数の和:443233

約数の個数: 40

約数和(自身を含む): 2637866880

約数和(自身を除く): 1538758160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 443189, 886378, 1772756, 2215945, 3545512, 4431890, 7091024, 8863780, 13738859, 17727560, 27477718, 35455120, 54955436, 68694295, 109910872, 137388590, 219821744, 274777180, 549554360, 1099108720]

約数ペア:

[(1, 1099108720), (2, 549554360), (4, 274777180), (5, 219821744), (8, 137388590), (10, 109910872), (16, 68694295), (20, 54955436), (31, 35455120), (40, 27477718), (62, 17727560), (80, 13738859), (124, 8863780), (155, 7091024), (248, 4431890), (310, 3545512), (496, 2215945), (620, 1772756), (1240, 886378), (2480, 443189)]