221339440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{4441}}^1$

素因数の和:4550

約数の個数: 80

約数和(自身を含む): 594872640

約数和(自身を除く): 373533200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 89, 112, 140, 178, 280, 356, 445, 560, 623, 712, 890, 1246, 1424, 1780, 2492, 3115, 3560, 4441, 4984, 6230, 7120, 8882, 9968, 12460, 17764, 22205, 24920, 31087, 35528, 44410, 49840, 62174, 71056, 88820, 124348, 155435, 177640, 248696, 310870, 355280, 395249, 497392, 621740, 790498, 1243480, 1580996, 1976245, 2486960, 2766743, 3161992, 3952490, 5533486, 6323984, 7904980, 11066972, 13833715, 15809960, 22133944, 27667430, 31619920, 44267888, 55334860, 110669720, 221339440]

約数ペア:

[(1, 221339440), (2, 110669720), (4, 55334860), (5, 44267888), (7, 31619920), (8, 27667430), (10, 22133944), (14, 15809960), (16, 13833715), (20, 11066972), (28, 7904980), (35, 6323984), (40, 5533486), (56, 3952490), (70, 3161992), (80, 2766743), (89, 2486960), (112, 1976245), (140, 1580996), (178, 1243480), (280, 790498), (356, 621740), (445, 497392), (560, 395249), (623, 355280), (712, 310870), (890, 248696), (1246, 177640), (1424, 155435), (1780, 124348), (2492, 88820), (3115, 71056), (3560, 62174), (4441, 49840), (4984, 44410), (6230, 35528), (7120, 31087), (8882, 24920), (9968, 22205), (12460, 17764)]